Meaning of Fed funds in English:
Fed funds
noun
US Finance1Surpluses of reserve deposits held in the Federal Reserve system, which can be traded between member banks; federal funds.
2Attributive (also in singular) of or relating to the active trade in surpluses of federal funds, as "Fed funds rate", "Fed funds target", etc.
Origin
1960s; earliest use found in Barron's National Business & Finance Weekly.
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