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, or Portax,
tragocamelus}), found in Northern India. It has short horns,
a black mane, and a bunch of long hair on the throat. The
general color is grayish brown. [Written also {neelghau},
{nilgau}, and {nylghaie}.]