01 n. A military engine acting like a sling, which threw stones from a bag or wooden bucket, and was operated by machinery.
pl.
Onagri, Onagers ((#))
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1.
A military engine acting like a sling, which threw stones from a bag or wooden bucket, and was operated by machinery.(Rom. Antiq.)
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2.
A wild ass, especially the koulan.(Zool.) Also: koulan