Definition of "Mouth" :
noun: the opening of a jar or bottle
"The jar had a wide mouth."
noun: 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."
noun: the opening through which food is taken in and vocalizations emerge
"He stuffed his mouth with candy."
noun: an impudent or insolent rejoinder
noun: the point where a stream issues into a larger body of water
"New York is at the mouth of the Hudson."
noun: an opening that resembles a mouth (as of a cave or a gorge)
"He rode into the mouth of the canyon."
noun: a person conceived as a consumer of food
"He has four mouths to feed."
noun: a spokesperson (as a lawyer)
verb: express in speech
verb: articulate silently; form words with the lips only
"She mouthed a swear word."
verb: touch with the mouth