Omar
The name Omar means “he that speaks; bitter”.
Easton's Bible Dictionary 1897
Eloquent, the son of Eliphaz, who was Esau’s eldest son (Gen. 36:11-15).
Smith's Bible Dictionary 1863
(eloquent, talkative), son of Eliphaz the first-born of Esau. (Genesis 36:11,15; 1 Chronicles 1:38) (B.C. 1750.)