'Gates' in the Bible

Also he built Bethhoron the upper, and Bethhoron the nether, fenced cities, with walls, gates, and bars;

Therefore he said unto Judah, Let us build these cities, and make about them walls, and towers, gates, and bars, while the land is yet before us; because we have sought the LORD 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 the LORD, that none which was unclean in any thing should enter in.

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