The keyboard of an organ, pianoforte, or harmonium.

Fr. (later adopted in Ger., then Eng.) word for keyboard. Depending on the time period and place, it can refer to harpsichord, clavichord, organ, or piano.

Keyboard, often used as a generic term to describe any keyboard instrument (as in Bach's The Well-Tempered Clavier).

Console of wooden levers and pedals, the means of playing the bells of a carillon.