noun, plural on·a·gri [on–uh-grahy] /ˈɒn əˌgraɪ/, on·a·gers.
- a wild ass, Equus hemionus, of southwestern Asia.
- an ancient and medieval military catapult for throwing stones.
noun plural -gri (-ˌɡraɪ) or -gers
- a Persian variety of the wild ass, Equus hemionusCompare kiang
- an ancient war engine for hurling stones
n.Asiatic wild ass, mid-14c., from Latin onager, from Greek onagros, from onos “ass” (related to Latin asinus, but the ultimate source is unknown) + agrios “wild,” literally “living in the fields,” from agros “field” (see acre).