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n. pl. nil·gais or nilgai
A large brown or bluish-gray antelope (Boselaphus tragocamelus) native to India, Nepal, and Pakistan, the male of which has short, sturdy horns and strands of long hair hanging down from the throat.
n, pl -gai, -gais, -ghau or -ghaus
(Animals) a large Indian antelope, Boselaphus tragocamelus. The male is blue-grey with white markings and has small horns; the female is brownish and has no horns
[C19: from Hindi nīlgāw blue bull, from Sanskrit nīla dark blue + go bull]
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|Noun||1.||nilgai - large Indian antelope; male is blue-grey with white markings; female is brownish with no horns|
antelope - graceful Old World ruminant with long legs and horns directed upward and backward; includes gazelles; springboks; impalas; addax; gerenuks; blackbucks; dik-diks