Boyd’s Bible Dictionary:
(given of God). A tower on wall of Jerusalem (Neh. 3:1; 12:39; Jer. 31:38).
Concise Bible Dictionary:
Tower in the wall of Jerusalem between the sheep-gate and the fish-gate (Neh. 3:1; Neh. 12:39; Jer. 31:38; Zech. 14:10). Its position is not identified.