IBEX, n. [L.] The wild goat of the genus Capra,which is said to be the stock of the tame goat. It has large knotty horns reclining on its back, is of a yellowish color,and its beard is black. It inhabits the Alps.
The Aegagras, or wild goat of the mountains of Persia, appears to be the stock of the tame goat. The IBex is a distinct species.