Easton's Bible Dictionary (1897)
Fortress, one of the Edomitish “dukes” descended from Esau (Gen. 36:42; 1 Chr. 1:53).
Smith's Bible Dictionary (1863)
(fortress), one of the “dukes” of Edom.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
MIB'ZAR (a fortress), one of the chiefs or dukes of Edom. Gen 36:42; 1 Chr 1:53.
Hitchcock's Bible Names (1869)
defending; forbidding; taking away