noun, plural: mouths
(1) The oral cavity located at the upper end of the alimentary canal that opens to the outside at the lips and empties into the throat at the rear, and containing structures for mastication and tasting especially in higher vertebrates.
(5) A natural opening, as in the mouth of a river.
(7) A spokesperson or a person who speaks on behalf of another or others.
Word origin: OE. Mouth, mu, AS. M; akin to D. Mond, OS. M, G. Mund, Icel. Mur, munnr, Sw. Mun, Dan. Mund, Goth. Muns, and possibly L. Mentum chin; or cf. D. Muil mouth, muzzle, G. Maul, OHG. Mla, Icel. Mli, and Skr. Mukha mouth.