Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
Empty; spoiler, a son of Zippor, and king of the Moabites (Num. 22:2, 4). From fear of the Israelites, who were encamped near the confines of his territory, he applied to Balaam (q.v.) to curse them; but in vain (Josh. 24:9).