/ Dictionary / Index W wanion: Meaning and Definition of Find definitions for: wan•ion Pronunciation: (won'yun), [key] — n. Archaic. curse; vengeance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. waning moon wank Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language