The Collaborative International Dictionary
koulan
Onager \On"a*ger\, n.; pl. L. Onagri, E. Onagers. [L. onager, onagrus, Gr. ?.]
(Rom. Antiq.) A military engine acting like a sling, which threw stones from a bag or wooden bucket, and was operated by machinery.
--Fairholt.(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.