/ Dictionary / Index F flat bond: Meaning and Definition of Find definitions for: flat' bond' Pronunciation: [key] a bond that is traded without accrued interest as part of the price. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. flatboat flat-bottomed 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