/ Dictionary / Index M Mossad: Meaning and Definition of Find definitions for: Mos•sad Pronunciation: (mō-säd') [key] — n. the Israeli intelligence service, established in 1951. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mossad (Thesaurus) moss Mossadegh Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language