/ Dictionary / Index D débouché: Meaning and Definition of Find definitions for: dé•bou•ché Pronunciation: (dā-b-shā'), [key] — n. a passage or opening through which troops may debouch. an outlet; an exit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. debouch debouchment Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language