a roll of paper containing perforations such that air passing through them actuates the keys of a player piano.
a perforated roll of paper actuating the playing mechanism of a Pianola Also called music roll


Read Also:

  • Piano stool

    noun 1. a stool on which a pianist sits when playing a piano, esp one whose height is adjustable

  • Piano trio

    noun 1. an instrumental ensemble consisting of a piano, a violin, and a cello 2. a piece of music written for such an ensemble, usually having the form and commonest features of a sonata

  • Piano-tuner

    noun 1. a person who tunes pianos and sometimes other keyboard instruments.

  • Piano-wire

    noun 1. a very thin steel wire of high tensile strength.

Disclaimer: Piano-roll definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.