gnu > define
noun
- Large African antelope having a head with horns like an ox and a long tufted tail.
- synonyms: wildebeest
by WordNet 3.0 © 2006 by Princeton University
(n.) 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.
by Webster's Revised Unabridged Dictionary