mouth in WordNet English dictionary

1. an impudent or insolent rejoinder
   "don't give me any of your sass"
   sass  sassing  backtalk  back talk  lip  mouth 
   
2. the opening of a jar or bottle
   "the jar had a wide mouth"
   mouth 
   
3. 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 
   
4. the opening through which food is taken in and vocalizations emerge
   "he stuffed his mouth with candy"
   mouth  oral cavity  oral fissure  rima oris 
   
5. the point where a stream issues into a larger body of water
   "New York is at the mouth of the Hudson"
   mouth 
   
6. 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 
   
7. a person conceived as a consumer of food
   "he has four mouths to feed"
   mouth 
   
8. a spokesperson (as a lawyer)
   mouthpiece  mouth 
   

1. express in speech
   "She talks a lot of nonsense"; "This depressed patient does not verbalize"
   talk  speak  utter  mouth  verbalize  verbalise 
   
2. articulate silently; form words with the lips only
   "She mouthed a swear word"
   mouth 
   
3. touch with the mouth
   mouth