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onager

[on-uh-jer] /ˈɒn ə dʒər/
noun, plural onagri
[on-uh-grahy] /ˈɒn əˌgraɪ/ (Show IPA),
onagers.
1.
a wild ass, Equus hemionus, of southwestern Asia.
2.
an ancient and medieval military catapult for throwing stones.
Origin
1300-1350
1300-50; Middle English < Late Latin: machine for throwing projectiles, Latin onager, onagrus wild ass < Greek ónagros (in both senses), alteration of ónos ágrios ass of the fields, wild ass (see acre)
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for onagri

onager

/ˈɒnədʒə/
noun (pl) -gri (-ˌɡraɪ), -gers
1.
a Persian variety of the wild ass, Equus hemionus Compare kiang
2.
an ancient war engine for hurling stones
Word Origin
C14: from Late Latin: military engine for stone throwing, from Latin: wild ass, from Greek onagros, from onos ass + agros field
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for onagri

onager

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).

Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Article for onagri

onager

(Equus hemionus onager), subspecies of the wild ass of Asia that ranged from northwest Iran to Turkmenistan. Pale-coloured and small, it has a short erect mane and fairly large ears. It was domesticated in ancient times but was replaced by the domestic horse and donkey. It now is found in limited numbers and may be approaching extinction. The name onager is sometimes used for the Asian wild ass (Equus hemionus). See also ass.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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