Id.
1) A grandson of Esau, one of the "dukes of Edom" (Gen. 36:11, 15, 42).
2) A place in Southern Idumea, the land of "the sons of the east," frequently mentioned in the Old Testament. It was noted for the wisdom of its inhabitants (Amos 1:12; Obad. 1:8; Jer. 49:7; Ezek. 25:13). It was divided from the hills of Paran by the low plain of Arabah (Hab. 3:3).
Easton's Bible Dictionary. M.G. Easton. 1897.