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pianist

American  
[pee-an-ist, pyan-, pee-uh-nist] / piˈæn ɪst, ˈpyæn-, ˈpi ə nɪst /

noun

  1. a person who plays the piano, especially one who performs expertly or professionally.


pianist British  
/ ˈpɪənɪst /

noun

  1. a person who plays the piano

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of pianist

1830–40; < French pianiste < Italian pianista. See piano 1, -ist