'Dung gate' in the Bible

The gate of the valley hath Hanun strengthened, and the inhabitants of Zanoah; they have built it, and set up its doors, its locks, and its bars, and a thousand cubits in the wall unto the dung-gate.

And the dung-gate hath Malchijah son of Rechab, head of the district of Beth-Haccerem, strengthened; he doth built it, and set up its doors, its locks, and its bars.

And I bring up the heads of Judah upon the wall, and appoint two great thanksgiving companies and processions. At the right, on the wall, to the dung-gate;