ニルガイMeanings1nounnilgaiA large Asian antelope (Boselaphus tragocamelus). The name is a loanword from Hindi/Urdu.ニルガイはインド亜あ大たい陸りくに生せい息そくする大おお型がたのレイヨウです。The nilgai is a large antelope native to the Indian subcontinent.