Definition of "ibex" [i•bex]

• Any of several wild goats of the genus Capra, especially C. ibex, native to mountainous regions of Eurasia and northern Africa and having long, ridged, backward-curving horns. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Alps (_antelope rupicapra_); and in the same localities, but more rarely seen, the "bouquetin," or "tur" (_aigocerus pyrenaicus_) -- a species of ibex, _not_ identical with the _capra ibex_ of Linnaeus and the Alpine mountains."
• "Except just after changing their coats, when they are of a greyish hue, the general colour of the ibex is a dirty yellowish brown."
• "During last winter, the worst in Mongolia for decades, some 10 million head of livestock died, and the effect on the snow leopards' prey base chiefly a wild goat called ibex, and argali sheep"