/ Dictionary / Index W W.C.T.U.: Meaning and Definition of Find definitions for: W.C.T.U. Pronunciation: [key] Women's Christian Temperance Union. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. WC wd 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