Easton's Bible Dictionary (1897)
Fourth, one of the Midianite chiefs slain by the Israelites in the wilderness (Num. 31:8; Josh. 13:21).
Smith's Bible Dictionary (1863)
(four), one of the five kings of the Midianites slain by the children of Israel when Balaam fell. (Numbers 31:8; Joshua 13:21) (B.C. 1450.)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
RE'BA (the fourth), one of the five Midianite kings whom the Israelites slew. Num 31:8; Josh 13:21.
Hitchcock's Bible Names (1869)
the fourth; a square; that lies or stoops down