| hawk | <ornithology> One of numerous species and genera of rapacious birds of the family Falconidae. They differ from the true falcons in lacking the prominent tooth and notch of the bill, and in having shorter and less pointed wings. Many are of large size and grade into the eagles. Some, as the goshawk, were formerly trained like falcons. In a more general sense the word is not infrequently applied, also, to true falcons, as the sparrow hawk, pigeon hawk, duck hawk, and prairie hawk. Among the common American species are the red-tailed hawk (Buteo borealis); the red-shouldered (B. Lineatus); the broad-winged (B. Pennsylvanicus); the rough-legged (Archibuteo lagopus); the sharp-shinned Accipiter fuscus). See: fishhawk, goshawk, marsh hawk, night hawk. Origin: OE. Hauk (prob. Fr. Icel), havek, AS. Hafoc, heafoc; akin to D. Havik, OHG. Habuh, G. Habicht, Icel. Haukr, Sw. Hok, Dan. Hog, prob. From the root of E. Heave. Source: Websters Dictionary (01 Mar 1998) |
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| hawk moth | <zoology> Any moth of the family Sphingidae, of which there are numerous genera and species. They are large, handsome moths, which fly mostly at twilight and hover about flowers like a humming bird, sucking the honey by means of a long, slender proboscis. The larvae are large, hairless caterpillars ornamented with green and other bright colours, and often with a caudal spine. The larvae of several species of hawk moths feed on grapevines. The elm-tree hawk moth is Ceratomia Amyntor. See: sphinx, tobacco worm, tomato worm, tobacco hawk moth (Macrosila Carolina). Source: Websters Dictionary (01 Mar 1998) |
| hawkbill | <zoology> A sea turtle (Eretmochelys imbricata), which yields the best quality of tortoise shell. Synonym: caret. Source: Websters Dictionary (01 Mar 1998) |
| hawkbit | <botany> The fall dandelion (Leontodon autumnale). Source: Websters Dictionary (01 Mar 1998) |
| hawkweed | <botany> A plant of the genus Hieracium; so called from the ancient belief that birds of prey used its juice to strengthen their vision. A plant of the genus Senecio (Senecio Hieracifolius). Source: Websters Dictionary (01 Mar 1998) |
| sea hawk | <zoology> A jager gull. Source: Websters Dictionary (01 Mar 1998) |
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| hover-hawk | <zoology> The kestrel. Source: Websters Dictionary (01 Mar 1998) |
Synonyms : Hawk
| Hawkins s. |
in fractures of the talar neck, a radiolucent zone beneath the subchondral plate of the head of the talus, indicative of disuse osteoporosis; its absence reflects increased risk of talar avascular necrosis.
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| hawkinsin |
a cyclic amino acid metabolite of tyrosine excreted in hawkinsinuria, a rare form of tyrosinemia. It is formed from an intermediate of the 4-hydroxyphenylpyruvate dioxygenase reaction combined with glutathione.
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| hawkinsinuria |
a rare autosomal dominant form of tyrosinemia associated with a defect of 4-hydroxyphenylpyruvate dioxygenase, manifested by the excretion of hawkinsin in the urine.
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| Hawks-Dennen f. |
a form of obstetrical forceps.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| hawk-bill i.’s |
shovel-shaped i's.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| hawk | diurnal bird of prey typically having short rounded wings and a long tail |
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| hawk | an advocate of an aggressive policy on foreign relations |
| hawk | clear mucus or food from one's throat |
| hawk | clear the throat, as of phlegm |
| hawk | hunt with hawks |
| hawk | sell or offer for sale from place to place |
| hawk | clear the throat, as of phlegm |
| hawk | any of various moths with long narrow forewings capable of powerful flight and hovering over flowers to feed |
| hawk | a nose curved downward like the beak of a hawk |
| hawk | gray-and-white diurnal hawk-like owl of northern parts of the northern hemisphere |
| hawk | any of various plants of the genus Crepis having loose heads of yellow flowers on top of a long branched leafy stem |
| hawk | any of various plants of the genus Crepis having loose heads of yellow flowers on top of a long branched leafy stem |
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