/ Dictionary / Index C cost keeper: Meaning and Definition of Find definitions for: cost' keep"er Pronunciation: [key] a cost accountant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cost-justify cost ledger Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language