'Gates' in the Bible

Then the men of Israel and Judah charged forward, shouting a battle cry. They chased the Philistines to the valley and to the very gates of Ekron. The Philistine corpses lay fallen along the Shaaraim road to Gath and Ekron.

When Saul was told that David had come to Keilah, Saul said, "God has delivered him into my hand, for he has boxed himself into a corner by entering a city with two barred gates."