'Mouth' in the Bible

The number of those who lapped, putting their hand to their mouth, was three hundred men; but all the rest of the people bowed down on their knees to drink water.

Then Zebul said to him, "Now where is your mouth, that you said, 'Who is Abimelech, that we should serve him?' Isn't this the people that you have despised? Please go out now and fight with them."

It happened, when he saw her, that he tore his clothes, and said, "Alas, my daughter! You have brought me very low, and you are one of those who trouble me; for I have opened my mouth to Yahweh, and I can't go back."

She said to him, "My father, you have opened your mouth to Yahweh; do to me according to that which has proceeded out of your mouth, because Yahweh has taken vengeance for you on your enemies, even on the children of Ammon."

They said to him, "Hold your peace, put your hand on your mouth, and go with us, and be to us a father and a priest. Is it better for you to be priest to the house of one man, or to be priest to a tribe and a family in Israel?"