/ Dictionary / Index F FRN: Meaning and Definition of Find definitions for: FRN Pronunciation: [key] — Finance. Finance. floating-rate note. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Frl. fro Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language