1.Definition: (botany) either of the two parts of a bilabiate corolla or calyx

Category: Plants

2.Definition: an impudent or insolent rejoinder

Related Noun(s):backtalk, mouth, sass

Category: General

3.Definition: either of two fleshy folds of tissue that surround the mouth and play a role in speaking

Category: General

4.Definition: either the outer margin or the inner margin of the aperture of a gastropod's shell

Category: Animals

5.Definition: the top edge of a vessel or other container

Related Noun(s):brim, rim

Category: Objects