Meaning of money-market certificate

mon'ey-mar•ket certif"icate

Pronunciation: (mun'ē-mär"kit), [key]
  1. a certificate of deposit held for a specified term earning a fixed interest rate keyed to the interest rate of U.S. Treasury bills.
  2. 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.