Easton's Bible Dictionary (1897)
Concealer, the second of Esau’s three sons by Aholibamah (Gen. 36:5, 14).
Smith's Bible Dictionary (1863)
(whom God hides), a son of Esau, (Genesis 36:5,14,18) comp. 1Chr 1:35 And a head of a tribe of Edom. ).
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
JAA'LAM (whom God. hides), a son of Esau by his wife Aholibamah, and a chief of Edom. Gen 36:5, Gen 36:14, Gen 36:18; 1 Chr 1:35.
Hitchcock's Bible Names (1869)
hidden; young man; heir