Gnu (?), n. [Hottentot gnu, or nju: cf. F. gnou.] Zool.
One of two species of large South African antelopes of the genus Catoblephas, having a mane and bushy tail, and curved horns in both sexes.
[Written also gnoo
⇒ The common gnu or wildebeest (Catoblephas gnu) is plain brown; the brindled gnu or blue wildebeest (C. gorgon) is larger, with transverse stripes of black on the neck and shoulders.
© Webster 1913.