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The Collaborative International Dictionary
koulan

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 of central Asia, especially the koulan ( Equus hemionus syn. Equus hemippus syn. Equus onager, formely Asinus onager).

Wiktionary
koulan

alt. A subspecies of onager (''Equus hemionus''), (taxlink Equus hemionus kulan subspecies noshow=1). n. A subspecies of onager (''Equus hemionus''), (taxlink Equus hemionus kulan subspecies noshow=1).

Usage examples of "koulan".

The koulan of Pallas is said to have been seen with a double shoulder-stripe.