either of two fleshy folds of tissue that surround the mouth and play a role in speaking
(botany) either of the two parts of a bilabiate corolla or calyx
an impudent or insolent rejoinder
the top edge of a vessel or other container
either the outer margin or the inner margin of the aperture of a gastropod's shell
- He pushed out his lips in displeasure.
- Your lips seem to become blue with cold.
- Mary put a finger to her lips to signal silence.
- The little boy rounded his lips to whistle.