/ Dictionary / Index P piano duet: Meaning and Definition of Find definitions for: pian'o duet' Pronunciation: [key] a musical composition for two pianists playing two pianos or together at one piano. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. piano bar pianoforte Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language