onagern.
英 'ɒnəgə | 美 'ɑnədʒɚ
中文n. 弩炮（投石器之一种）；中亚野驴
词根词源
onageronager: see assonager (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).
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