noun1. anatomya. either of the two fleshy folds surrounding the mouth, playing an important role in the production of speech sounds, retaining food in the mouth, etc
▶ Related adjective:
labial b. (as modifier)
lip salve
2. the corresponding part in animals, esp mammals
3. any structure resembling a lip, such as the rim of a crater, the margin of a gastropod shell, etc
4. a nontechnical word for labium, labellum (sense 1)
5. slang impudent talk or backchat
6. the embouchure and control in the lips needed to blow wind and brass instruments
7. bite one's lip
8. button one's lip
9. keep a stiff upper lip
10. lick one's lips
verbWord forms: lips, lipping or lipped11. (transitive) to touch with the lip or lips
12. (transitive) to form or be a lip or lips for
13. (transitive) rare to murmur or whisper
14. (intransitive) to use the lips in playing a wind instrument
Word origin
Old English
lippa; related to Old High German
leffur, Norwegian
lepe, Latin
labium