ībex, ĭcis, m.,
a kind of goat , the chamois , Plin. 8, 53, 79, § 214; Isid. Orig. 12, 1; Hier. Job, 31, 1.
·noun One of several species of wild goats having very large, recurved horns, transversely ridged in...
Webster's Dictionary of the English Language