Definition (full): Elam -- a son of Shem, also his descendants and their country
Strong's Exhaustive Concordance
Or mowlam (Ezra 10:2; Jeremiah 49:36) {o-lawm'}; probably from alam; hidden, i.e. Distant; Elam, a son of Shem and his descendants, with their country; also of six Israelites -- Elam.
KJV: With Chedorlaomer the king of Elam, and with Tidal king of nations, and Amraphel king of Shinar, and Arioch king of Ellasar; four kings with five.
NASB: against Chedorlaomer king of Elam and Tidal king of Goiim and Amraphel king of Shinar and Arioch king of Ellasar-- four kings against five.