On·a·ger n.; pl. L. Onagri E. Onagers
1. Rom. Antiq. A military engine acting like a sling, which threw stones from a bag or wooden bucket, and was operated by machinery.
2. Zool. A wild ass of central Asia, especially the koulan (Equus hemionus syn. Equus hemippus syn. Equus onager, formely Asinus onager).
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Equus hemionus
n : Asiatic wild ass [syn: onager]