/ Dictionary / Index W Wac: Meaning and Definition of Find definitions for: Wac Pronunciation: (wak), [key] a member of the Women's Army Corps, an auxiliary of the U.S. Army. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wac (Thesaurus) wabbly Wace 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