1. (noun) mouth, oral cavity, oral fissure, rima oris
the opening through which food is taken in and vocalizations emerge
"he stuffed his mouth with candy"
2. (noun) 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"
3. (noun) 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"
4. (noun) mouth
the point where a stream issues into a larger body of water
"New York is at the mouth of the Hudson"
5. (noun) mouth
a person conceived as a consumer of food
"he has four mouths to feed"
6. (noun) mouthpiece, mouth
a spokesperson (as a lawyer)
7. (noun) sass, sassing, backtalk, back talk, lip, mouth
an impudent or insolent rejoinder
"don't give me any of your sass"
8. (verb) mouth
the opening of a jar or bottle
"the jar had a wide mouth"
9. (verb) talk, speak, utter, mouth, verbalize, verbalise
express in speech
"She talks a lot of nonsense"; "This depressed patient does not verbalize"
10. (verb) mouth
articulate silently; form words with the lips only
"She mouthed a swear word"
11. (verb) mouth
touch with the mouth
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Definition of 'mouth' 
