/ Dictionary / Index F Fianna: Meaning and Definition of Find definitions for: Fi•an•na Pronunciation: (fē'u-nu), [key] — n.pl. Irish Hist. the Fenians. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fianchetto Fianna Fáil Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language