/ Dictionary / Index Q quadraphony: Meaning and Definition of Find definitions for: qua•draph•o•ny Pronunciation: (kwo-draf'u-nē), [key] — n. high-fidelity sound reproduction involving signals transmitted through four different channels. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quadraphony (Thesaurus) quadraphonic quadraplegic Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language