'Corner gate' in the Bible

And Joash king of Israel took Amaziah king of Judah, son of Jehoash son of Ahaziah, at Bethshemesh. And then he went to Jerusalem, and brake down the wall of Jerusalem from the gate of Ephraim to the corner gate, four hundred cubits.

And Joash king of Israel took Amaziah king of Judah the son of Jehoash the son of Ahaziah at Bethshemesh: and brought him to Jerusalem, and tare the wall of Jerusalem from the gate of Ephraim unto the corner gate, four hundred cubits long.

Moreover Uzziah built towers in Jerusalem over the corner gate, and over the valley gate, and over other corners, and made them strong.