"COD: the opening and cavity in the lower part of the face, surrounded by the lips, through which food and air are taken and vocal sounds are emitted"^^ . "n" . "mouth.n" . "mouth.n"^^ . . "COD: an opening or entrance to a structure that is hollow, concave, or almost completely enclosed"^^ . "T"^^ . "mouth" . "COD: the place where a river enters the sea."^^ . . . . . . .