/ Dictionary / Index F foci: Meaning and Definition of Find definitions for: fo•ci Pronunciation: (fō'sī, -kī), [key] — n. a pl. of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: foci (Thesaurus) Foch focometer Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language