/ Dictionary / Index D Dieppe: Meaning and Definition of Find definitions for: Di•eppe Pronunciation: (dē-ep' Fr. dyep), [key] — n. a seaport in N France, on the English Channel: raided by an Allied expeditionary force August 1942. 26,111. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. die-off dieresis Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language