lip lip /ˈlɪp/

noun

1. () Either of two fleshy folds of tissue that surround the mouth and play a role in speaking  ( lip )
   either of two fleshy folds of tissue that surround the mouth and play a role in speaking
    She applied a coat of red lipstick to her lip before leaving the house
   She applied a coat of red lipstick to her lip before leaving the house
   
   
2. Either the outer margin or the inner margin of the aperture of a gastropod's shell  ( lip )
   either the outer margin or the inner margin of the aperture of a gastropod's shell
   
3. The top edge of a vessel or other container  ( lip , rim , brim )
   the top edge of a vessel or other container
   
4. [Informal] An impudent or insolent rejoinder  ( back talk [Informal, N. American] , backtalk [Informal, N. American] , lip [Informal] , mouth , sass [Informal, N. American] , sassing [Informal, N. American] )
   an impudent or insolent rejoinder
    Don't give me any of your sass
   don't give me any of your sass
   
5. (botany) either of the two parts of a bilabiate corolla or calyx  ( lip )
   (botany) either of the two parts of a bilabiate corolla or calyx