Easton's Bible Dictionary (1897)
Terror, one of the “dukes of Edom” (Gen. 36:27); called also Zavan (1 Chr. 1:42).
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
ZA'AVAN (disquieted), a Horite chief. Gen 36:27; 1 Chr 1:42.
Hitchcock's Bible Names (1869)
trembling