Music. The manual of an organ; (also) the keyboard of a piano or similar instrument. Obsolete.

Each of a number of rows of keys on a keyboard instrument, esp. an organ; = manual, n. 5a. Now rare.

Music. A keyboard of an organ, etc., played with the hands, as opposed to one operated by the feet. Cf. pedal, n.1 1a.

Of various English words. In form m. In organ music: manual.