The Collaborative International Dictionary
Ammotragus tragelaphus
Aoudad \A"ou*dad\, n. [The Moorish name.] (Zo["o]l.) An African sheeplike quadruped (the Ammotragus lervia, formerly Ammotragus tragelaphus) having a long mane on the breast and fore legs; the wild sheep of northern Africa; -- called also Barbary sheep. It is, perhaps, the chamois of the Old Testament.
Syn: aoudad, arui, Barbary sheep, maned sheep.