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1. A panel of buttons used for typing and performing other functions on a computer or typewriter.
a. A row of levers that are depressed with the fingers to produce or modulate the sound of an instrument, such as a piano or organ.
b. Any of various instruments, played by means of a musical keyboard, often connected to a synthesizer or amplifier.
tr.v. key·board·ed, key·board·ing, key·boards
a. To set (copy) by means of a keyed typesetting machine: keyboard a manuscript.
b. To enter (text or data) into a computer by means of a keyboard.
2. Music To play (a composition) on a piano or keyboard.
key′board′er, key′board′ist n.
the work of inputting information using a keyboard