Button (&unr_;), n. [OE. boton, botoun, F. bouton button, bud, prop. something pushing out, fr. bouter to push. See Butt an end.] 1. A knob; a small ball; a small, roundish mass.
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2. A catch, of various forms and materials, used to fasten together the different parts of dress, by being attached to one part, and passing through a slit, called a buttonhole, in the other; -- used also for ornament.
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3. A bud; a germ of a plant. Shak.
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4. A piece of wood or metal, usually flat and elongated, turning on a nail or screw, to fasten something, as a door.
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5. A globule of metal remaining on an assay cupel or in a crucible, after fusion.
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Button hook, a hook for catching a button and drawing it through a buttonhole, as in buttoning boots and gloves. -- Button shell (Zoöl.), a small, univalve marine shell of the genus Rotella. -- Button snakeroot. (Bot.) (a) The American composite genus Liatris, having rounded buttonlike heads of flowers. (b) An American umbelliferous plant with rigid, narrow leaves, and flowers in dense heads. -- Button tree (Bot.), a genus of trees (Conocarpus), furnishing durable timber, mostly natives of the West Indies. -- To hold by the button, to detain in conversation to weariness; to bore; to buttonhole.
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Button, v. i. To be fastened by a button or buttons; as, the coat will not button.
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