'Buttocks' in the Bible

Then Hanun took the servants of David, and he shaved off half of their beards and cut their garments off in the middle up to their buttocks, then sent them away.

So Hanun took the servants of David and shaved them and cut off their garments at the middle, up to the buttocks, and sent them away.

so shall the king of Assyria lead the captives of Egypt and the exiles of Cush, young and old, naked and barefoot, {with bared buttocks}, the shame of Egypt.