the row or set of keys on a piano, organ, or the like.

a set of keys, usually arranged in tiers, for operating a typewriter, typesetting machine, computer terminal, or the like.

any of various musical instruments played by means of a pianolike keyboard, as a piano, electric piano, or organ.

Also, key , key in. Computers . to enter (information) into a computer by means of a keyboard.

to set (text) in type, using a machine that is operated by a keyboard.

noun

clavier , console , claviature , manual , blacks and whites , the eighty-eight , ivories , piano