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piano roll
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noun
a roll of paper containing perforations such that air passing through them actuates the keys of a player piano.
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Origin of piano roll
First recorded in 1925–30
Words nearby piano roll
piano nobile, piano player, piano quartet, piano quintet, piano reduction, piano roll, piano stool, piano trio, piano tuner, piano wire, Piarist
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for piano roll
piano roll
noun
a perforated roll of paper actuating the playing mechanism of a PianolaAlso called: music roll
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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