from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Either of two large African antelopes (Connochaetes gnou or C. taurinus) having a drooping mane and beard, a long tufted tail, and curved horns in both sexes. Also called wildebeest.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A large antelope native to Africa having curved horns.
from the GNU version of the Collaborative International Dictionary of English
- 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.
from The Century Dictionary and Cyclopedia
- n. An African animal of the genus Catoblepas (or Connochætes), belonging to the antilopine division of the family Bovidæ; a wildebeest.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. large African antelope having a head with horns like an ox and a long tufted tail
Probably from Dutch gnoe, from Xhosa i-ngu, white-tailed gnu, from San !nu, black wildebeest.(American Heritage® Dictionary of the English Language, Fourth Edition)
Taken from Nama, likely (onomatopoeia) of the grunt-type noise of the gnu. (Wiktionary)