Adriaen van de Velde was a Dutch painter, draftsman, and etcher who specialized in landscapes and animals. Adriaen van de Velde was the son of a well-known marine painter, Willem van de Velde the Elder, who was probably his first teacher. He also studied at Haarlem, Neth. The southern atmosphere

Esaias van de Velde was a painter, draftsman, and etcher who was one of the founders of the realist school of Dutch landscape painting in the early decades of the 17th century. He arrived in Haarlem in 1610, when such artists as Willem Buytewech, Frans Hals, and Hercules Seghers were active there.

Henry van de Velde was a Belgian architect and teacher who ranks with his compatriot Victor Horta as an originator of the Art Nouveau style, characterized by long sinuous lines derived from naturalistic forms. By designing furniture and interiors for the Paris art galleries of Samuel Bing in 1896,

Henry van de Velde was a Belgian architect and teacher who ranks with his compatriot Victor Horta as an originator of the Art Nouveau style, characterized by long sinuous lines derived from naturalistic forms. By designing furniture and interiors for the Paris art galleries of Samuel Bing in 1896,

printmaking: The Netherlands: …of the brothers Esaias and Jan van de Velde can be considered the beginning of the Dutch landscape school. Others were Adriaen van Stalbent, Pieter de Molijn, and Willem Buytewech—all fine printmakers, but all eventually overshadowed by the dramatic personality of Rembrandt. Before him, however, another artist appeared who was…

Willem van de Velde, the Elder was a Dutch marine painter. He sailed with the Dutch fleet and painted its engagements with the English. Settling in England in 1672, he continued to paint marine subjects, often in collaboration with his son, Willem the Younger (1633–1707), who became the foremost

Willem van de Velde, the Elder: …in collaboration with his son, Willem the Younger (1633–1707), who became the foremost marine painter of his time. The latter was appointed court painter by Charles II in 1677 and was commissioned to paint England’s naval battles; many of his works are housed in London’s National Maritime Museum.

Heinrich von Veldeke was a Middle High German poet of noble birth whose Eneit, telling the story of Aeneas, was the first German court epic to attain an artistic mastery worthy of its elevated subject matter. While at the court of the landgrave Hermann of Thuringia, Heinrich completed the Eneit,

Heinrich von Veldeke was a Middle High German poet of noble birth whose Eneit, telling the story of Aeneas, was the first German court epic to attain an artistic mastery worthy of its elevated subject matter. While at the court of the landgrave Hermann of Thuringia, Heinrich completed the Eneit,

Feldkirch, town, western Austria. It lies along the Ill River, near the Liechtenstein border, about 48 miles (77 km) east-southeast of Zürich, Switzerland. First mentioned as Veldkirichae (Veldkirichum) in 830, the settlement belonged to the counts of Montfort from 1190 until it was sold to Austria

Feldkirch, town, western Austria. It lies along the Ill River, near the Liechtenstein border, about 48 miles (77 km) east-southeast of Zürich, Switzerland. First mentioned as Veldkirichae (Veldkirichum) in 830, the settlement belonged to the counts of Montfort from 1190 until it was sold to Austria

veld, name given to various types of open country in Southern Africa that is used for pasturage and farmland. To most South African farmers today the “veld” refers to the land they work, much of which has long since ceased to be “natural.” Various types of veld may be discerned, depending upon

purple sail, (genus Velella), any of a genus of floating marine animals usually classified in the order Siphonophora (class Hydrozoa) and characterized by a saillike pneumatophore, or gas-filled float. Below the sail hang various structures: tentacles armed with nematocysts, or stinging cells;

Velenje, town, northern Slovenia. It lies 12 miles (19 km) northwest of Celje on the Paka River. Velenje was built as a model mine-workers’ town with distinct administrative, business, residential, and recreational areas. It is adjacent to a major lignite mine in the Celje coal basin. There is a

Greece: Rigas Velestinlis: Toward the end of the 18th century, Rigas Velestinlis (also known as Rigas Pheraios), a Hellenized Vlach from Thessaly, began to dream of and actively plan for an armed revolt against the Turks. Rigas, who had served a number of Phanariote hospodars in…

Luis Vélez de Guevara was a Spanish poet, playwright, and novelist who ranks high among the followers of Lope de Vega and displays a gift for creating character. His fantastic satirical novel, El diablo cojuelo (1641; “The Crippled Devil”), became well-known from its adaptation by the French

Gomera, La, island, Santa Cruz de Tenerife provincia (province), in the Canary Islands comunidad autónoma (autonomous community) of Spain, in the North Atlantic Ocean. The island is circular in shape. Its coasts, especially on the west, are rugged and precipitous, and its interior is mountainous.

Abílio Manuel Guerra Junqueiro: …next caused a stir with A velhice do padre eterno (1885; “The Old Age of the Eternal Father”), which attacked the image of God with the same ruthlessness. In a less polemical phase, he celebrated Portuguese rural and village life in Os simples (1892; “The Simple Ones”), in which his…

Elea, ancient city in Lucania, Italy, about 25 miles southeast of Paestum; home of the Eleatic school of philosophers, including Parmenides and Zeno. The city was founded about 535 bc by Phocaean Greek refugees on land seized from the native Oenotrians. Unlike other Greek cities in Italy, Elea was

Bulgarian literature: …powers of imagination and synthesis, Konstantin Velichkov shared his ideals. His poetic temperament was best expressed in sonnets inspired by travels to Constantinople and Italy. An exponent of Italianate influence, he contributed to the then fashionable literature of memoirs. Most notable here was Z. Stoyanov, whose Zapiski po bulgarskite vuzstaniya…

veliger, larva typical of certain mollusks such as marine snails and bivalves and a few freshwater bivalves. The veliger develops from the trochophore (q.v.) larva and has large, ciliated lobes (velum). The velum forms from the ciliary ring (prototroch), a characteristic of the trochophore stage.

smaller water strider, (the latter name derives from the fact that the body, widest at the middle or hind legs, tapers to the abdomen, giving the impression of broad shoulders), any of the approximately 300 species of the insect family Veliidae (order Heteroptera). Smaller water striders—which may

Morava River, river in Serbia, formed by the confluence of the South (Južna) Morava and West (Zapadna) Morava rivers. It follows a 137-mile (221-kilometre) course, mainly northerly, to enter the Danube River near Smederevo. North of Lapovo the Morava opens into the wide, meandering Pomoravlje

Veliki Preslav, town, eastern Bulgaria. It lies at the foot of the Preslav Mountains, 11 miles (18 km) southwest of Shumen. Founded by the Proto-Bulgarians in the 8th century and called Yeski Stambolchuk (Eski Stambul), it served as capital of Bulgaria under Simeon the Great in the 10th century. It

Serbia: The early Slav states: …on occasion, unite under a veliki župan, or grand chieftain, who for a short time would succeed in establishing control over a substantial territory and declare himself king or emperor.

Velikiye Luki, city, Pskov oblast (region), western Russia, situated on the Lovat River. Founded by 1166, the city was sacked by Lithuanians in 1198, by King Stephen Báthory of Poland in 1581, and by the Swedes in 1611. Today an important railway junction, it has industries that include locomotive

Velikiye Luki, city, Pskov oblast (region), western Russia, situated on the Lovat River. Founded by 1166, the city was sacked by Lithuanians in 1198, by King Stephen Báthory of Poland in 1581, and by the Swedes in 1611. Today an important railway junction, it has industries that include locomotive

Velikiye Luki, city, Pskov oblast (region), western Russia, situated on the Lovat River. Founded by 1166, the city was sacked by Lithuanians in 1198, by King Stephen Báthory of Poland in 1581, and by the Swedes in 1611. Today an important railway junction, it has industries that include locomotive

Veliko Tŭrnovo, majestic old town in northern Bulgaria. Veliko Tŭrnovo (“Great Tŭrnovo”) occupies near-vertical slopes above the 800-foot (240-metre) meandering gorge of the Yantra (Jantra) River. The houses, built in terraces, appear to be stacked one atop the other. The river divides the town

Velikonda Range, range of hills in southeastern Andhra Pradesh state, southern India. They trend north-south and form the eastern flank of the Eastern Ghats, which at that point are strongly folded and faulted. The Velikondas are assumed to have been elevated during the Cambrian Period (about 540

Immanuel Velikovsky was an American writer, proponent of controversial theories of cosmogony and history. Educated at the universities in Edinburgh, Kharkov, and Moscow (M.D., 1921), he practiced medicine in Palestine and then studied psychology in Zürich and (from 1933) Vienna. After examining

Veliky Novgorod, city and administrative centre of Novgorod oblast (region), northwestern Russia, on the Volkhov River just below its outflow from Lake Ilmen. Veliky Novgorod (commonly shortened to Novgorod) is one of the oldest Russian cities, first mentioned in chronicles of 859. In 882 Oleg,

Veliky Ustyug, city, Vologda oblast (region), northwestern Russia, a port on the Sukhona River. One of the oldest settlements of European Russia, mentioned in documents from 1218, it was an important trading centre on the Moscow-Arkhangelsk road in the 16th century and later was renowned for

Veliky Ustyug, city, Vologda oblast (region), northwestern Russia, a port on the Sukhona River. One of the oldest settlements of European Russia, mentioned in documents from 1218, it was an important trading centre on the Moscow-Arkhangelsk road in the 16th century and later was renowned for

Velnias, in Baltic religion, the god of the Lithuanian vėles or Latvian velis (“zombie”), the “phantom of the dead.” He is a one-eyed, prophetic trickster capable of raising whirlwinds and leading the host of the dead through the skies. Velnias is akin in type to the Germanic Wodan or the

Johnny Otis was an American bandleader, drummer, vibraphonist, singer, producer, and promoter of rhythm and blues and rock and roll. He was instrumental in furthering the careers of a number of important rhythm-and-blues performers. While growing up as part of a Greek immigrant family in Berkeley,

Philokalia: …by the starets (spiritual leader) Paissy Velitchkovsky, who introduced a neo-Hesychast spiritual renewal into Russian and Moldavian monasticism. Whereas in Greece the Philokalia apparently had little influence outside certain schools of monasticism (although attempts were made to reach a wider public with new editions in 1867 and 1957), the Church…

Orlice Mountains: The highest point is Velká Deštná, at 3,658 feet (1,115 m).

United Evangelical Lutheran Church of Germany, union of 10 Lutheran territorial churches in Germany, organized in 1948 at Eisenach, E.Ger. The territorial churches were those of Bavaria, Brunswick, Hamburg, Hanover, Mecklenburg, Saxony, Schaumburg-Lippe, Schleswig-Holstein, and Thüringia. The

Javorníky: …3,514 feet (1,071 metres), is Velký Javorník, overlooking the village of Velké Karlovice—divides the Bečva-Oder river systems to the north and west from the Váh River to the east. Climate and altitude are conducive to sheep raising, and winter sports thrive throughout the region.

World War II: The Southwest and South Pacific, June–October 1943: …operation to the island of Vella Lavella also. In the last two months of the struggle, which ended with the Japanese evacuation of Vella Lavella on October 7, the Japanese sank an Allied destroyer and crippled two more but lost a further six of their own; and their attempt to…

Velleius Paterculus was a Roman soldier, political figure, and historian whose work on Rome is a valuable if amateurish source for the reigns of Augustus and Tiberius. Velleius’s father was of equestrian status, and his mother belonged to a distinguished Campanian family. He served as military

Bob Dylan: Beginnings in Minnesota as Robert Zimmerman: …piano for rising pop star Bobby Vee. While attending college, he discovered the bohemian section of Minneapolis known as Dinkytown. Fascinated by Beat poetry and folksinger Woody Guthrie, he began performing folk music in coffeehouses, adopting the last name Dylan (after the Welsh poet Dylan Thomas). Restless and determined to…

industrial glass: Tubes and rods: In the Vello process, a hybrid of the downdraw and the Danner processes, glass flows downward through a defined orifice and is gently turned horizontal.

Spain: The reign of Philip III: …by the massive minting of vellón, a debased copper coinage. Although this action did not prevent the need for another moratorium on government debts, in 1608 the king promised the Cortes of Castile that the government would not issue any more vellón money for 20 years. But in 1617 and…

Vellore, city, northern Tamil Nadu state, southeastern India. It lies along the Palar River, about 80 miles (130 km) west-southwest of Chennai (Madras). A notable feature of the city is its fort, the site of the Vellore Mutiny in July 1806. The city played an important role during the Maratha,

Christianity: Missions to Asia: The Vellore Medical College is a monument to the missionary physician Ida Scudder (1870–1959).

Vellore Mutiny, outbreak against the British on July 10, 1806, by sepoys (Indian troops employed by the British) at Vellore (now in Tamil Nadu state, southern India). The incident began when the sepoys broke into the fort where the many sons and daughters of Tippu Sultan of Mysore and their

Caetano Veloso is a Brazilian songwriter and musician who emerged in the 1960s as a leading figure in Brazil’s Tropicália movement. The sensual intelligence of his music, as well as the breadth of traditions from which he drew, made him a national hero and the object of much admiration abroad.

Pandanales: Velloziaceae: The predominantly woody shrubs of the family Velloziaceae (nine genera and 240 species) are found primarily in the drier parts of South America (with an outlier in Africa).

drawing: Surfaces: Vellum, delicate and without veins, resembles parchment in its smooth surface. Modern watercolour paper is a pure linen paper glued in bulk and absolutely free of fat and alum; its two surfaces are of different grain. For pastel drawings, a firm, slightly rough surface is…

hair: …hairs called down hair, or vellus. Vellus covers every part of the body except the palms of the hands, the soles of the feet, undersurfaces of the fingers and toes, and a few other places. At and following puberty, this hair is supplemented by longer, coarser, more heavily pigmented hair…

Mindy Kaling: Later acting work: …in the animated TV series Velma (2023– ), which was inspired by the teen mystery show Scooby-Doo, Where Are You! (1969–70). During this time, Kaling also had a recurring role on the series The Morning Show (2019– ), playing a morning news anchor.

Teutoburg Forest: …in the Teutoburg Forest, the Velmerstot, rises to an elevation of 1,535 feet (468 metres) at the southeastern end where the range meets the Egge Mountains. The city of Bielefeld, a diversified industrial centre most famous for its linen textiles, is situated at an important pass through the hills. The…

Velnias, in Baltic religion, the god of the Lithuanian vėles or Latvian velis (“zombie”), the “phantom of the dead.” He is a one-eyed, prophetic trickster capable of raising whirlwinds and leading the host of the dead through the skies. Velnias is akin in type to the Germanic Wodan or the

Velnias, in Baltic religion, the god of the Lithuanian vėles or Latvian velis (“zombie”), the “phantom of the dead.” He is a one-eyed, prophetic trickster capable of raising whirlwinds and leading the host of the dead through the skies. Velnias is akin in type to the Germanic Wodan or the

velocipede, version of the bicycle reinvented in the 1860s by the Michaux family of Paris. Its iron and wood construction and lack of springs earned it the nickname “boneshaker.” It was driven by pedaling cranks on the front axle. To increase the distance covered for each turn of the cranks, the

Velociraptor, (genus Velociraptor), sickle-clawed dinosaur that flourished in central and eastern Asia during the Late Cretaceous Period (99 million to 65 million years ago). It is closely related to the North American Deinonychus of the Early Cretaceous in that both reptiles were dromaeosaurs.

velocity, quantity that designates how fast and in what direction a point is moving. A point always moves in a direction that is tangent to its path; for a circular path, for example, its direction at any instant is perpendicular to a line from the point to the centre of the circle (a radius). The

sound: In air columns: …there of a velocity or displacement antinode similar to the centre of the fundamental mode of a stretched string, as illustrated at the top of Figure 4. On the other hand, the air at the closed end of a tube cannot move, so that a closed end results in a…

pneumatic device: Major types of pneumatic devices: …and (2) the velocity, or dynamic, type.

reaction rate: The rate constant, or the specific rate constant, is the proportionality constant in the equation that expresses the relationship between the rate of a chemical reaction and the concentrations of the reacting substances. The measurement and interpretation of reactions constitute the branch of chemistry known as…

gas: Boltzmann equation: …through a quantity called the velocity distribution function. This function describes how molecular velocities are distributed on the average: a few very slow molecules, a few very fast ones, and most near some average value—namely, vrms = (v2)1/2 = (3kT/2)1/2. If this function is known, all gas properties can be…

microphone: …(dynamic microphone) or conductor (ribbon microphone) in a magnetic field, or in the twisting or bending of a piezoelectric crystal (crystal microphone). In each case, motion of the diaphragm produces a variation in the electric output. By proper design, a microphone may be given directional characteristics so that it…

sound: In air columns: …closed end results in a velocity node similar to the ends of a stretched string.

speed of light, speed at which light waves propagate through different materials. In particular, the value for the speed of light in a vacuum is now defined as exactly 299,792,458 metres per second. The speed of light is considered a fundamental constant of nature. Its significance is far broader

economic stabilizer: Monetary policy: The simplest relationship between income and the demand for money would be: Md = kY. Here, k is a constant. Since Y is a flow (measured per year) and Md a stock (the average stock of money over the year), k has the dimension of a “storage…

fluid mechanics: Potential flow: This section is concerned with an important class of flow problems in which the vorticity is everywhere zero, and for such problems the Navier-Stokes equation may be greatly simplified. For one thing, the viscosity term drops out of it. For another, the nonlinear…

wheel and axle: …with the system is the velocity ratio, or the ratio of the velocity (VF) with which the operator pulls the rope at F to the velocity at which the weight W is raised (VW). This ratio is equal to twice the radius of the large drum divided by the difference…

molecular beam: Production, control, and detection.: …through a filter called a velocity selector that permits only molecules within a small range of speeds to pass through. These selectors are often made of slotted disks or cylinders spinning rapidly on an axis parallel to the beam. The molecules that emerge from the selector are those with the…

gas meter: In velocity-type gas meters the gas flow moves impeller blades on a rotor. Rotation of the rotor is geared to a dial mechanism that records gas volume delivered. In the velocity vortex meter the rotor is mounted in an offset chamber in a short section of…

mechanics: Circular motion: The average velocity of the particle is a vector given by

mechanics: Circular motion: Indeed, the instantaneous velocity, found by allowing Δt to shrink to zero, is a vector v that is perpendicular to r at every instant and whose magnitude is

turbine: Turbine staging: In velocity-compound staging a set of stationary nozzles is followed by two sets of moving blades with a stationary row of impulse blades between them to redirect the flow. Ideally this allows twice as much power to be extracted than from a single impulse stage for…

redshift: …basis for what is called Hubble’s law, which correlates the recessional velocity of a galaxy with its distance from Earth. That is to say, the greater the redshift manifested by light emanating from such an object, the greater the distance of the object and the larger its recessional velocity (see…

mass spectrometry: Focusing spectroscopes: …to what is known as velocity focusing. Aston’s design was the basis of his later instruments with which he systematically and accurately measured the masses of the isotopes of many of the elements. He chose 16O (the isotope of oxygen of mass 16) as his standard of mass.

damping: …hence, is referred to as velocity-squared damping.

Caetano Veloso is a Brazilian songwriter and musician who emerged in the 1960s as a leading figure in Brazil’s Tropicália movement. The sensual intelligence of his music, as well as the breadth of traditions from which he drew, made him a national hero and the object of much admiration abroad.

Leo Baekeland: …company to manufacture his invention, Velox, a photographic paper that could be developed under artificial light. Velox was the first commercially successful photographic paper. In 1899 Baekeland sold his company and rights to the paper to the U.S. inventor George Eastman for $1,000,000.

Velnias, in Baltic religion, the god of the Lithuanian vėles or Latvian velis (“zombie”), the “phantom of the dead.” He is a one-eyed, prophetic trickster capable of raising whirlwinds and leading the host of the dead through the skies. Velnias is akin in type to the Germanic Wodan or the

guinea worm disease: Guinea worm disease through history: In 1674 Italian physician Georgius Hieronymus Velschius published Exercitatio de Vena Medinensis, an illustrated work that included a depiction of the process of worm extraction from a patient’s leg. The following century, Swedish naturalist Carolus Linnaeus assigned the Latin name Dracunculus medinensis to the guinea worm, and a short…

Velsen, gemeente (municipality), western Netherlands. Velsen lies along the North Sea Canal, which connects Amsterdam with the North Sea. The commune embraces IJmuiden (the foreport of Amsterdam), Santpoort, Driehuis, and Velsen-Noord. A major centre of the Dutch steel industry, using raw materials

Valtellina, upper valley of the Adda River from its sources in the Ortles mountains westward to its entry into Lake Como, largely in Sondrio provincia, Lombardia (Lombardy) regione, northern Italy. The valley is enclosed by the Bernina Alps (north), the Ortles mountains (northeast), and the Orobie

Martinus J.G. Veltman was a Dutch physicist, corecipient with Gerardus ’t Hooft of the 1999 Nobel Prize for Physics for their development of a method of mathematically predicting the properties of both the subatomic particles that make up the universe and the fundamental forces through which they

respiratory system: Fishes: A peculiar respiratory structure, the velum, just behind the nostril opening, dangles from the upper midline of the pharynx, resembling an inverted T. Membranous scrolls attached to this horizontal bar can extend downward and then roll upward like window shades. A combination of velar and gill-pouch contractions directs the flow…

veliger: …has large, ciliated lobes (velum). The velum forms from the ciliary ring (prototroch), a characteristic of the trochophore stage. The velum is used for swimming, feeding, and gas exchange, and it is resorbed or lost as the mollusk metamorphoses into its adult stage. In addition, the mollusk begins to…

soft palate, in mammals, structure consisting of muscle and connective tissue that forms the roof of the posterior (rear) portion of the oral cavity. The soft palate, along with the hard palate, forms the palate, or the roof of the mouth, which separates the oral and nasal cavities. The soft palate

South Asian arts: The kathakali school: (4) Velupputadi (“white beard”) represents Hanuman, son of the wind god. The upper half of his face is black and the lower red, marked by a tracery of curling white lines. The lips are black, the nose is green, black squares frame the eyes, and two…

Gelderland: …of the IJssel into the Veluwe (“Bad Land”) region on the west and the Achterhoek on the east. The hill plateau of the Veluwe is covered with scantily cultivated heaths and some woods, of primarily fir and beech. There are two national parks (Hoge Veluwe and Veluwezoom) and a wildlife…

moose: …of the blood-engorged skin called velvet in late August, and the bulls are in rut by the first week of September. Rutting bulls search widely for females, but the bulls may also attract females with the smell of their urine. They paw rutting pits with their forelegs, urinate into them,…

velvet, in textiles, fabric having a short, dense pile, used in clothing and upholstery. The term derives from the Middle French velu, “shaggy.” Velvet is made in the pile weave, of silk, cotton, or synthetic fibres, and is characterized by a soft, downy surface formed by clipped yarns. The wrong

velvet ant, (family Mutillidae), any of a group of about 3,000 species of wasps that are named for their fuzzy, antlike appearance. Velvet ants are most prevalent in the hot, dry regions of the Western Hemisphere. Taxonomy See also list of ants, bees, and wasps. Both male and female velvet ants

asity: The male of the velvet asity (Philepitta castanea) has yellow tips to its feathers when newly molted, but these wear off, leaving the bird all black; at the same time, a green wattle grows above the eye. The female is greenish. The male of Schlegel’s asity (P. schlegeli) is…

Jan Bruegel the Elder was a Flemish painter known for his still lifes of flowers and for his landscapes. The second son of Pieter Bruegel the Elder, born just before his father’s death, he was reared by a grandmother and learned his art in Antwerp. In his youth he went to Italy, where he painted

Jan Bruegel the Elder was a Flemish painter known for his still lifes of flowers and for his landscapes. The second son of Pieter Bruegel the Elder, born just before his father’s death, he was reared by a grandmother and learned his art in Antwerp. In his youth he went to Italy, where he painted

Jan Bruegel the Elder was a Flemish painter known for his still lifes of flowers and for his landscapes. The second son of Pieter Bruegel the Elder, born just before his father’s death, he was reared by a grandmother and learned his art in Antwerp. In his youth he went to Italy, where he painted

Toni Collette: Collette was then cast in Velvet Buzzsaw (2019), a horror parody wherein artworks seemingly exact revenge on those who profited from a deceased painter’s oeuvre. In 2019 she also appeared in Knives Out, a comedic whodunit involving the death of a mystery writer. Collette later appeared in Charlie Kaufman’s I’m…

floor covering: Wire-formed piles: The term velvet, more common in the United States, is used to mean cut pile single frame; that is, plain carpet for which tapestry technique is not used. A velvet carpet is basically one of Wilton type. The term frame is often used instead of pile thread…

ostariophysan: Annotated classification: Family Diplomystidae (velvet catfishes) 1 pair of barbels; primitive Weberian apparatus. Size to 24 cm (about 9 inches). South America. 2 genera, about 6 species. Family Ictaluridae (bullheads, channel catfish, madtoms) Barbels 4 pairs; some with venom glands. Valuable food fishes (sport

velvet crab, any of certain species in the swimming crab (q.v.)