[buht-n] 
| 1. | a small disk, knob, or the like for sewing or otherwise attaching to an article, as of clothing, serving as a fastening when passed through a buttonhole or loop. |
| 2. | anything resembling a button, esp. in being small and round, as any of various candies, ornaments, tags, identification badges, reflectors, markers, etc. |
| 3. | a badge or emblem bearing a name, slogan, identifying figure, etc., for wear on the lapel, dress, etc.: campaign buttons. |
| 4. | any small knob or disk pressed to activate an electric circuit, release a spring, or otherwise operate or open a machine, small door, toy, etc. |
| 5. | Botany. a bud or other protuberant part of a plant. |
| 6. | Mycology.
|
| 7. | Zoology. any of various small parts or structures resembling a button, as the rattle at the tip of the tail in a very young rattlesnake. |
| 8. | Boxing Informal. the point of the chin. |
| 9. | Also called turn button. a fastener for a door, window, etc., having two arms and rotating on a pivot that is attached to the frame. |
| 10. | Metallurgy. (in assaying) a small globule or lump of metal at the bottom of a crucible after fusion. |
| 11. | Fencing. the protective, blunting knob fixed to the point of a foil. |
| 12. | Horology. crown (def. 19). |
| 13. | Computers. (in a graphical user interface) any of the small, labeled areas upon which the user can click with a mouse to choose an option. |
| 14. | to fasten with a button or buttons: She quickly buttoned her coat. |
| 15. | to insert (a button) in a buttonhole or loop: He buttoned the top button of his shirt. |
| 16. | to provide (something) with a button or buttons. |
| 17. | to be capable of being buttoned: This coat buttons, but that one zips. |
| 18. | button up, Informal.
|
| 19. | have all one's buttons, Informal. to be mentally competent, alert, and sane; have all one's wits: At 106 she still has all her buttons. |
| 20. | on the button, Informal. exactly as desired, expected, specified, etc.: The prediction for snow was right on the button. |
[lip] 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. |
button but·ton (bŭt'n)
n.
A knob-like structure, device, or lesion.
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.