Shak.
Yel"low*root` (?), n. (Bot.) Any one of several plants with yellow roots. Specifically: (a) See Xanthorhiza. (b) Same as Orangeroot.
Yel"lows (?), n. 1. (Far.) A disease of the bile in horses, cattle, and sheep, causing yellowness of the eyes; jaundice.
His horse . . . sped with spavins, rayed with the yellows.
Shak.
2. (Bot.) A disease of plants, esp. of peach trees, in which the leaves turn to a yellowish color; jeterus.
3. (Zoöl.) A group of butterflies in which the predominating color is yellow. It includes the common small yellow butterflies. Called also redhorns, and sulphurs. See Sulphur.
Yel"low*seed` (?), n. (Bot.) A kind of pepper grass (Lepidium campestre).
{ Yel"low*shanks` (?), Yel"low*shins` (?), } n. (Zoöl.) See Yellolegs.
Yel"low*tail` (?), n. (Zoöl.) (a) Any one of several species of marine carangoid fishes of the genus Seriola; especially, the large California species (S. dorsalis) which sometimes weighs thirty or forty pounds, and is highly esteemed as a food fish; -- called also cavasina, and white salmon. (b) The mademoiselle, or silver perch. (c) The menhaden. (d) The runner, 12. (e) A California rockfish (Sebastodes flavidus). (f) The sailor's choice (Diplodus rhomboides).
Several other fishes are also locally called yellowtail.
Yel"low*throat` (?), n. (Zoöl.) Any one of several species of American ground warblers of the genus Geothlypis, esp. the Maryland yellowthroat (G. trichas), which is a very common species.
Yel"low*top` (?), n. (Bot.) A kind of grass, perhaps a species of Agrostis.
Yel"low*wood` (?), n. (Bot.) The wood of any one of several different kinds of trees; also, any one of the trees themselves. Among the trees so called are the Cladrastis tinctoria, an American leguminous tree; the several species of prickly ash (Xanthoxylum); the Australian Flindersia Oxleyana, a tree related to the mahogany; certain South African species of Podocarpus, trees related to the yew; the East Indian Podocarpus latifolia; and the true satinwood (Chloroxylon Swietenia). All these Old World trees furnish valuable timber.
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Yel"low*wort` (?), n. (Bot.) A European yellow-flowered, gentianaceous (Chlora perfoliata). The whole plant is intensely bitter, and is sometimes used as a tonic, and also in dyeing yellow.
Yelp (?), v. i. [imp. & p. p. Yelped (?); p. pr. & vb. n. Yelping.] [OE. yelpen, elpen, to boast, boast noisily, AS. gielpan, gilpan, gylpan; akin to OHG. gelph arrogant: cf. Icel. gjlpa to yelp. Cf. Yap.]