LIP

Definition of LIP

  1. (noun)either of two fleshy folds of tissue that surround the mouth and play a role in speaking
  2. (noun)(botany) either of the two parts of a bilabiate corolla or calyx
  3. (noun)an impudent or insolent rejoinder
  4. (noun)the top edge of a vessel or other container
  5. (noun)either the outer margin or the inner margin of the aperture of a gastropod's shell