Hadadezer (hăd-ad-ç'zer), or Hadarezer (hăd-ar-ç'zer), Hadad's help. A king of Zobah. He was twice defeated by king David's armies. 2 Samuel 8:3; 2 Samuel 10:16. On the first occasion 22,000 of the enemy were slain and 1000 chariots were taken. Among the spoils were shields of gold, 1 Chronicles 18:4-7, which David took to Jerusalem. Some years afterward they became tributary to David. 1 Chronicles 19:16-19.