/ Dictionary / Index I imprest fund: Meaning and Definition of Find definitions for: im'prest fund" Pronunciation: [key] a fund of petty cash. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. imprest imprimatur Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language