player piano

from WordNet (r) 3.0 (2006)

player piano
    n 1: a mechanically operated piano that uses a roll of
         perforated paper to activate the keys [syn: {mechanical
         piano}, {Pianola}, {player piano}]

from The Collaborative International Dictionary of English v.0.48

player piano \player piano\ n.
   A mechanically operated piano that uses a roll of perforated
   paper to activate the keys.

   Syn: mechanical piano, Pianola.
        [WordNet 1.5]

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