/ Dictionary / Index P piano tuner: Meaning and Definition of Find definitions for: pia'no tun"er Pronunciation: [key] a person who tunes pianos and sometimes other keyboard instruments. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. piano roll piano wire 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