Hypertext Webster Gateway: "onager"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Koulan \Kou"lan\, n. [Native name.] (Zo["o]l.)
A wild horse ({Equus, or Asinus, onager}) inhabiting the
plants of Central Asia; -- called also {gour}, {khur}, and
{onager}. [Written also {kulan}.]
Note: It is sometimes confounded with the dziggetai, to which
it is closely related. It is gray in winter, but
fulvous in summer. It has a well defined, dark, dorsal
stripe, and a short, erect mane. In size, it is
intermediate between the horse and ass.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
2. (Zo["o]l.) A wild ass, especially the koulan.
From WordNet (r) 1.7 (wn)
onager
n 1: medieval artillery used during sieges; a heavy war engine
for hurling large stones [syn: {catapult}, {arbalest}, {arbalist},
{bricole}, {trebuchet}, {trebucket}]
2: Asiatic wild ass [syn: {Equus hemionus}]
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