from
The Collaborative International Dictionary of English v.0.48
Nylghau \Nyl"ghau\, Nylgau \Nyl"gau\, n. [Hind. & Per.
n[imac]lg[=a]w, prop., a blue cow; Per. n[imac]l blue +
g[=a]w cow. See {Lilac}, and {Cow} the animal.] (Zool.)
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]