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, especially 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. a bud or other protuberant part of a plant.
6. Mycology.
• a young or undeveloped mushroom.
• any protuberant part of a fungus.
7. 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. the point of the chin.
9. a fastener for a door, window, etc., having two arms and rotating on a pivot that is attached to the frame.
10. (in assaying) a small globule or lump of metal at the bottom of a crucible after fusion.
11. the protective, blunting knob fixed to the point of a foil.
12. crown (def. 19).
13. (in a graphical user interface) a small, button-shaped or clearly defined area that the user can click on or touch 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.
• to become or keep silent.
• to fasten securely; close up: Within a short time, everything on the submarine was buttoned up.
• to fasten fully or put on, especially an outer garment: Button up before going out.
• to complete successfully; finish: The report is all buttoned up.
19. to be mentally competent, alert, and sane; have all one's wits: At 106 she still has all her buttons.
20. exactly as desired, expected, specified, etc.: The prediction for snow was right on the button.

1. U.S. figure skater.

1. a disc or knob of plastic, wood, etc, attached to a garment, etc, usually for fastening two surfaces together by passing it through a buttonhole or loop
2. a small round object, such as any of various sweets, decorations, or badges
3. a small disc that completes an electric circuit when pushed, as one that operates a doorbell or machine
4. a symbolic representation of a button on the screen of a computer that is notionally depressed by manipulating the mouse to initiate an action
5. any rounded knoblike part or organ, such as an unripe mushroom
6. the protective knob fixed to the point of a foil
7. a small amount of metal, usually lead, with which gold or silver is fused, thus concentrating it during assaying
8. the piece of a weld that pulls out during the destructive testing of spot welds
9. a projection around the loom of an oar that prevents it slipping through the rowlock
10. an object of no value (esp in the phrase not worth a button)
11. intellect; mental capacity (in such phrases as a button short, to have all one's buttons, etc)
12. exactly; precisely

13. to fasten with a button or buttons
14. to provide with buttons
15. to hit (an opponent) with the button of one's foil
16. to stop talking: often imperative

More Definitions

• BUZZWIG (noun) Definition, Meaning & Examples
• CORECIPIENT (noun) Definition, Meaning & Examples
• GONOCYTE (noun) Definition, Meaning & Examples
• INTENSION (noun) Definition, Meaning & Examples
• SYNODIC MONTH (noun) Definition, Meaning & Examples
• SINGER (noun) Definition, Meaning & Examples