From Longman Business Dictionarymoney fundˈmoney fund (also money-market fund) [countable]FINANCE a fund that invests in CERTIFICATES OF DEPOSIT (=money put into banks for a particular period of time), COMMERCIAL PAPER (=money lent to companies for short periods of time), and TREASURY BILLs (=government borrowing over short periods of time) rather than shares, company bonds etcAssets of the nation’s money market funds increased significantly despite a rising stock market. → fund
