/ Dictionary / Index F FNMA: Meaning and Definition of Find definitions for: FNMA Pronunciation: [key] Federal National Mortgage Association. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fnma (Thesaurus) fn f-number Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language