/ Dictionary / Index P piano quintet: Meaning and Definition of Find definitions for: pian'o quintet' Pronunciation: [key] a musical composition scored for a string quartet, or other combination of four instruments, and piano. a group of five musicians playing a piano quintet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. piano quartet piano reduction Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language