1. onager(n = noun.artifact) arbalest, arbalist, ballista, bricole, catapult, mangonel, trebuchet, trebucket - an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles;
is a kind of engine
2. onager(n = noun.animal) equus hemionus - Asiatic wild ass;
is a kind of wild ass
has particulars: chigetai, dziggetai, equus hemionus hemionus
1. A military engine acting like a sling, which threw stones from a bag or wooden bucket, and was operated by machinery. Fairholt. [1913 Webster]
2. A wild ass of central Asia, especially the
onager, n.
1 a wild ass, esp. Equus hemionus of Central Asia.
2 hist. an ancient military engine for throwing rocks.
Etymology:
ME f. L f. Gk onagros f. onos ass + agrios wild