'Gate of the City' in the Bible

And the king of Ai he hanged on tree, until evening. And as soon as the sun was down, Joshua commanded and they took the carcass down off the tree, and cast it in the entering of the gate of the city, and cast thereon a great heap of stones, that remaineth unto this day.

And the slayer shall flee unto one of those Cities and shall stand in the entering of the gate of the city and shall show his cause in the ears of the elders of the said city. And they shall take him into the city unto them, and shall give him a place that he may dwell among them.