/ Dictionary / Index F Foucault: Meaning and Definition of Find definitions for: Fou•cault Pronunciation: (f-kō'), [key] — n. 1819–68, French physicist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: foucault (Thesaurus) fou Foucault pendulum Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language