(n) :
a set of keys used to operate a typewriter, computer etc; 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
(n) :
a set of keys used to operate a typewriter, computer etc; 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