'Gates' in the Bible

He also built upper Beth-horon and lower Beth-horon, fortified cities with walls, gates, and bars [to lock the gates];

So he said to Judah, “Let us build these cities and surround them with walls, towers, gates and bars [to secure the doors]. The land is still ours because we have sought the Lord our God; we have sought Him [longing for Him with all our heart] and He has given us peace on every side.” So they built and prospered.

Jehoiada stationed the gatekeepers [at the gates] of the house of the Lord, so that no one would enter who was in any way unclean.

And Hezekiah appointed the divisions of the priests, and the Levites by their divisions, each in accordance with his service, both 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 camp of the Lord.