/ Dictionary / Index W Wiak: Meaning and Definition of Find definitions for: Wi•ak Pronunciation: (wē-yäk'), [key] — n. Biak. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. WIA wicca Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language