/ Dictionary / Index F French drain: Meaning and Definition of Find definitions for: French' drain' Pronunciation: [key] a drainage trench filled to ground level with fragments of brick, rock, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. French door French dressing Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language