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n.1. either of the two fleshy parts or folds forming the margins of the mouth and functioning in speech.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.8. Bot. either of the two parts into which the corolla or calyx of certain plants, esp. of the mint family, is divided.9. Zool.a. a labium.b. the outer or the inner margin of the aperture of a gastropod's shell.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. bite one's lip or tongue, to repress one's anger or other emotions: He wanted to return the insult, but bit his lip.15. 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.16. hang on the lips of, to listen to very attentively: The members of the club hung on the lips of the visiting lecturer.17. keep a stiff upper lip,a. to face misfortune bravely and resolutely: Throughout the crisis they kept a stiff upper lip.b. to suppress the display of any emotion.18. smack one's lips, to indicate one's keen enjoyment or pleasurable anticipation of: We smacked our lips over the delicious meal.adj.19. of or pertaining to the lips or a lip: lip ointment.20. characterized by or made with the lips: to read lip movements.21. superficial or insincere: to offer lip praise.v.t.22. to touch with the lips.24. to utter, esp. softly.25. to kiss.v.i.26. to use the lips in playing a musical wind instrument.
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Universalium. 2010.