/ Dictionary / Index W WAAC: Meaning and Definition of Find definitions for: WAAC Pronunciation: (wak), [key] Women's Army Auxiliary Corps: founded during World War II. a member of the Women's Army Auxiliary Corps. Cf.Wac. Women's Army Auxiliary Corps: founded in 1917. a member of the Women's Army Auxiliary Corps. Cf.WRAC. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. wa' Waadt Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language