/ Dictionary / Index T triple fugue: Meaning and Definition of Find definitions for: tri'ple fugue' Pronunciation: [key] — Music. Music. a fugue with a subject and two countersubjects developed simultaneously. a fugue with three subjects that are developed at first successively and finally together. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. triple-expansion triple-header Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language