From Longman Dictionary of Contemporary Englishpianolapi‧a‧no‧la /ˌpiːəˈnəʊlə $ -ˈnoʊ-/ noun [countable] trademark APMa piano that is played by machinery inside it. A long roll of paper with holes cut in it gradually turns and works the machinery, pressing down the keys on the piano to produce music. SYN player piano
Examples from the Corpus
pianola• They moved in sequence like the keys on an antique pianola when the pedals are operated.Origin pianola (1900-2000) Pianola, a trademark