onager

A wild ass (Equus hemionus) of Asia, having an erect mane, a light brown coat, and a dark stripe along the back.

An ancient and medieval catapult, often employing a wooden arm with a short sling.

A wild ass, Equus hemippus or E. onager, inhabiting the steppes of central Asia. See dziggetai.

A war-engine for throwing stones, used in Europe in the middle ages.

A military engine acting like a sling, which threw stones from a bag or wooden bucket, and was operated by machinery.