/ Dictionary / Index A affusion: Meaning and Definition of Find definitions for: af•fu•sion Pronunciation: (u-fy'zhun), [key] — n. the pouring on of water or other liquid, as in the rite of baptism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: affusion (Thesaurus) afft. AFGE Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language