blue bull

Nylghau Nyl"ghau, Nylgau Nyl"gau, n. [Hind. & Per. n[=i]lg[=a]w, prop., a blue cow; Per. n[=i]l blue + g[=a]w cow. See {Lilac}, and {Cow} the animal.] (Zo["o]l.) A large Asiatic antelope ({Boselaphus tragocamelus}, syn. {Portax tragocamelus}), found in Northern India; called also the {blue bull}. It has short horns, a black mane, and a bunch of long hair on the throat. The general color is grayish brown; the male is blue-grey with white markings, and the female is brownish with no horns. [Written also {neelghau}, {nilgau}, {nylghai}, and {nylghaie}.]

Syn: nilgai, nylghai, blue bull, {Boselaphus tragocamelus}. [1913 Webster + WordNet 1.5]