/ Dictionary / Index W WM: Meaning and Definition of Find definitions for: WM Pronunciation: [key] white male. Wm. Pronunciation: [key] William. w/m Pronunciation: [key] (in shipping) weight and/or measurement. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. w. long. WMC Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language