keyboard

Computer hardware, Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences A set of keys laid out in a gridlike pattern, used for typing on a typewriter, computer, etc.

Entertainment, Lifestyle, Music A component of many instruments, including the piano, organ, and harpsichord, consisting of usually black and white keys that cause different tones to be produced when struck.

Entertainment, Lifestyle, Music An electronic device containing a keyboard (preceding sense), especially one that is capable of producing musical sounds when the keys are played.