'Gate' in the Bible

When it was time to shut the city gate for the night, the men left. I don't know where they were heading. Chase after them quickly, for you have time to catch them!"

Meanwhile the king's men tried to find them on the road to the Jordan River near the fords. The city gate was shut as soon as they set out in pursuit of them.

The men of Ai killed about thirty-six of them and chased them from in front of the city gate all the way to the fissures and defeated them on the steep slope. The people's courage melted away like water.

He hung the king of Ai on a tree, leaving him exposed until evening. At sunset Joshua ordered that his corpse be taken down from the tree. They threw it down at the entrance of the city gate and erected over it a large pile of stones (it remains to this very day).

The one who committed manslaughter should escape to one of these cities, stand at the entrance of the city gate, and present his case to the leaders of that city. They should then bring him into the city, give him a place to stay, and let him live there.