n either of two fleshy folds of tissue that surround the mouth and play a role in speaking
n (botany) either of the two parts of a bilabiate corolla or calyx
n an impudent or insolent rejoinder
n the top edge of a vessel or other container
n either the outer margin or the inner margin of the aperture of a gastropod's shell
n. 嘴唇（lip的复数）