/ Dictionary / Index P pea-souper: Meaning and Definition of Find definitions for: pea-soup•er Pronunciation: (pē's'pur), [key] — n. See(def. 2). . a French Canadian. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pea-souper (Thesaurus) pea soup peat Related Content Daily Word Quiz: novice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language