mouth, oral cavity, oral fissure, rima oris -- (the opening through which food is taken in and vocalizations emerge; "he stuffed his mouth with candy")
mouth -- (the externally visible part of the oral cavity on the face and the system of organs surrounding the opening; "she wiped lipstick from her mouth")
mouth -- (an opening that resembles a mouth (as of a cave or a gorge); "he rode into the mouth of the canyon"; "they built a fire at the mouth of the cave")
mouth -- (the point where a stream issues into a larger body of water; "New York is at the mouth of the Hudson")
mouth -- (a person conceived as a consumer of food; "he has four mouths to feed")
mouthpiece, mouth -- (a spokesperson (as a lawyer))