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