onagri

noun, plural on·a·gri [on–uh-grahy] /ˈɒn əˌgraɪ/, on·a·gers.

1. a wild ass, Equus hemionus, of southwestern Asia.
2. an ancient and medieval military catapult for throwing stones.

noun plural -gri (-ˌɡraɪ) or -gers

1. a Persian variety of the wild ass, Equus hemionusCompare kiang
2. 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).