/ Dictionary / Index M money-market certificate: Meaning and Definition of Find definitions for: mon'ey-mar•ket certif"icate Pronunciation: (mun'ē-mär"kit), [key] a certificate of deposit held for a specified term earning a fixed interest rate keyed to the interest rate of U.S. Treasury bills. any type of savings certificate whose interest rate is based on current money-market interest rates. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. money market money-market fund Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language