noun (n)

• any federal law-enforcement officer(noun.person)

  Synonym:
  federal, federal official
  

  source: wordnet30
• the central bank of the United States; incorporates 12 Federal Reserve branch banks and all national banks and state-chartered commercial banks and some trust companies(noun.group)

  Example:
  The Fed seeks to control the United States economy by raising and lowering short-term interest rates and the money supply.
  

  Synonym:
  federal reserve, federal reserve system, frs
  

  source: wordnet30