equus hemionus

2 definitions found

equus hemionus - Collaborative International Dictionary of English v.0.48 :

  Onager \On"a*ger\, n.; pl. L. Onagri, E. Onagers. [L.
     onager, onagrus, Gr. ?.]
     1. (Rom. Antiq.) 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. (Zool.) A wild ass of central Asia, especially the
        koulan (Equus hemionus syn. Equus hemippus syn.
        Equus onager, formely Asinus onager).
        [1913 Webster +PJC]

equus hemionus - WordNet (r) 2.1 (2005) :

  Equus hemionus
      n 1: Asiatic wild ass [syn: onager, Equus hemionus]