/ Dictionary / Index W Weissmuller: Meaning and Definition of Find definitions for: Weiss•mul•ler Pronunciation: (wīs'mul"ur), [key] (Johnny), 1904–84, U.S. swimmer and film actor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Weisshorn Weizmann Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language