Lip - Definition
lip
n 1: either of two fleshy folds of tissue that surround the
mouth and play a role in speaking
2: (botany) either of the two parts of a bilabiate corolla or
calyx
3: an impudent or insolent rejoinder; "don't give me any of your
sass" [syn: sass, sassing, backtalk, back talk,
lip, mouth]
4: the top edge of a vessel or other container [syn: brim,
rim, lip]
5: either the outer margin or the inner margin of the aperture
of a gastropod's shell