NYL'GAU, noun A quadruped of the genus Bos, a native of the interior of India, of a middle size between the cow and the deer. Its body, horns and tail are not unlike those of a bull; the head, neck and legs resemble those of the deer. The color is an ash gray.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI