/ Dictionary / Index Q quintet: Meaning and Definition of Find definitions for: quin•tet Pronunciation: (kwin-tet'), [key] — n. any set or group of five persons or things. an organized group of five singers or players. a musical composition scored for five voices or instruments. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quintet (Thesaurus) quintessence quintic Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language