Bible Dictionaries
Onager

Webster's Dictionary

(1):

(n.) A wild ass, especially the koulan.

(2):

(n.) A military engine acting like a sling, which threw stones from a bag or wooden bucket, and was operated by machinery.

Bibliography Information
Webster, Noah. Entry for 'Onager'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/onager.html. 1828.