/ Dictionary / Index M Mannheim: Meaning and Definition of Find definitions for: Mann•heim Pronunciation: (man'hīm Ger. män'hīm), [key] — n. 1893–1947, German sociologist. a city in SW Germany at the confluence of the Rhine and Neckar rivers. 295,200. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mannheim (Thesaurus) Mannes Mannheim gold Related Content Daily Word Quiz: prevalent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language