noun, adjective, verb, lipped, lip⋅ping.| 1. | either of the two fleshy parts or folds forming the margins of the mouth and functioning in speech. |
| 2. | Usually, lips. these parts as organs of speech: I heard it from his own lips. |
| 3. | a projecting edge on a container or other hollow object: the lip of a pitcher. |
| 4. | a liplike part or structure, esp. of anatomy. |
| 5. | any edge or rim. |
| 6. | the edge of an opening or cavity, as of a canyon or a wound: the lip of the crater. |
| 7. | Slang. impudent talk; back talk: Don't give me any of your lip. |
| 8. | Botany. either of the two parts into which the corolla or calyx of certain plants, esp. of the mint family, is divided. |
| 9. | Zoology.
|
| 10. | Music. the position and arrangement of lips and tongue in playing a wind instrument; embouchure. |
| 11. | the cutting edge of a tool. |
| 12. | the blade, at the end of an auger, which cuts the chip after it has been circumscribed by the spur. |
| 13. | (in a twist drill) the cutting edge at the bottom of each flute. |
| 14. | of or pertaining to the lips or a lip: lip ointment. |
| 15. | characterized by or made with the lips: to read lip movements. |
| 16. | superficial or insincere: to offer lip praise. |
| 17. | to touch with the lips. |
| 18. | Golf. to hit the ball over the rim of (the hole). |
| 19. | to utter, esp. softly. |
| 20. | to kiss. |
| 21. | to use the lips in playing a musical wind instrument. |
| 22. | lip off, Slang. to talk impudently or belligerently. |
| 23. | bite one's lip or tongue, to repress one's anger or other emotions: He wanted to return the insult, but bit his lip. |
| 24. | button one's lip, Slang. to keep silent, esp., to refrain from revealing information: They told him to button his lip if he didn't want trouble. Also, button up. |
| 25. | hang on the lips of, to listen to very attentively: The members of the club hung on the lips of the visiting lecturer. |
| 26. | keep a stiff upper lip,
|
| 27. | smack one's lips, to indicate one's keen enjoyment or pleasurable anticipation of: We smacked our lips over the delicious meal. |

lip (lĭp)
n.
Either of two fleshy folds that surround the opening of the mouth.
A liplike structure bounding or encircling a bodily cavity or groove.