/ Dictionary / Index F fiduciary bond: Meaning and Definition of Find definitions for: fidu'ciary bond" Pronunciation: [key] a bond filed by a fiduciary administering an estate as surety. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fiduciary fie Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language