Interest-bearing obligations of the U.S. government issued by the Treasury as a means of borrowing money to meet government expenditures not covered by tax revenues. Marketable Treasury securities fall into three categories—bills, notes and bonds. Marketable Treasury obligations are currently issued in book entry form only; that is, the purchaser receives a statement, rather than an engraved certificate.

"Treasury Securities" In Context

"The Fed's purchases of Treasury securities and mortgage-backed securities were "generally successful" in lowering interest rates and helping to support economic growth, Mr. Bernanke said Thursday in his fourth lecture at George Washington University."