/ Dictionary / Index O outfall: Meaning and Definition of Find definitions for: out•fall Pronunciation: (out'fôl"), [key] — n. the outlet or place of discharge of a river, drain, sewer, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: outfall (Thesaurus) outface outfield Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language