1. (n.) A knob; a small ball; a small, roundish mass.

2. (n.) 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.

3. (n.) A bud; a germ of a plant.

4. (n.) A piece of wood or metal, usually flat and elongated, turning on a nail or screw, to fasten something, as a door.

5. (n.) A globule of metal remaining on an assay cupel or in a crucible, after fusion.

6. (n.) To fasten with a button or buttons; to enclose or make secure with buttons; -- often followed by up.

7. (n.) To dress or clothe.

8. (v. i.) To be fastened by a button or buttons; as, the coat will not button.

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