/ Dictionary / Index P piano accordion: Meaning and Definition of Find definitions for: pian'o accor"dion Pronunciation: [key] accordion (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. piano piano bar 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