/ Dictionary / Index F Fermat: Meaning and Definition of Find definitions for: Fer•mat Pronunciation: (fer-ma' Eng. fer-mä'), [key] — n. 1601–65, French mathematician. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fermat (Thesaurus) Fermanagh fermata 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