LIP

Definition

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. — synonyms: sass, sassing, backtalk, back_talk, mouth
4. noun the top edge of a vessel or other container. — synonyms: brim, rim
5. noun either the outer margin or the inner margin of the aperture of a gastropod's shell.