ONAGER Meaning of ONAGER in English [ 'ɒnəgə ]■ noun an animal of a race of the Asian wild ass native to northern Iran. [ Equus hemionus ~ .]OriginME: via L. from Gk onagros , from onos 'ass' + agrios 'wild'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004