'Gates' in the Bible

Also he built Beth-horon the upper, and Beth-horon the nether, fortified cities, with walls, gates, and bars;

For he said unto Judah, Let us build these cities, and make about them walls, and towers, gates, and bars; the land is yet before us, because we have sought Jehovah our God; we have sought him, and he hath given us rest on every side. So they built and prospered.

And he set the porters at the gates of the house of Jehovah, that none that was unclean in anything should enter in.

And Hezekiah appointed the courses of the priests and the Levites after their courses, every man according to his service, both the priests and the Levites, for burnt-offerings and for peace-offerings, to minister, and to give thanks, and to praise in the gates of the camp of Jehovah.