/ Dictionary / Index W WC: Meaning and Definition of Find definitions for: WC Pronunciation: [key] water closet. W.C. Pronunciation: [key] water closet. West Central (postal district in London, England). w.c. Pronunciation: [key] water closet. without charge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. WbS W.C.T.U. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language