Main Entry: on·a·ger

Pronunciation: \ˈä-ni-jər\

Function: noun

Etymology: Middle English, wild ass, from Latin, from Greek onagros, from onos ass + agros field — more at acre

Date: 14th century

1 : an Asian wild ass (Equus hemionus onager syn. E. onager) that usually has a broad dorsal stripe and is related to the kiang
2 [Late Latin, from Latin] : a heavy catapult used in ancient and medieval times

[onager illustration]