Dictionary
au•rochs
Pronunciation: (ôr'oks), [key]—
n.,
—pl. -rochs.
1. a large, black European wild ox,
Bos primigenius: extinct since 1627.
2. (not used scientifically) the European bison.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.