/ Dictionary / Index F foin: Meaning and Definition of Find definitions for: foin Pronunciation: (foin), [key] — Archaic. Archaic. —n. a thrust with a weapon. —v.i. to thrust with a weapon; lunge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. foilsman Foïsm Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language