'Lips' in the Bible

Sigh, but not aloud, make no mourning for the dead; bind your headdress on you, and put your shoes on your feet, and don't cover your lips, and don't eat men's bread.

You shall do as I have done: you shall not cover your lips, nor eat the bread of men.

therefore prophesy, and say, Thus says the Lord Yahweh: Because, even because they have made you desolate, and swallowed you up on every side, that you might be a possession to the residue of the nations, and you are taken up in the lips of talkers, and the evil report of the people;