from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The Mafia operating in the United States.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a crime syndicate in the United States; organized in families; believed to have important relations to the Sicilian Mafia


Italian, our concern : cosa, thing, affair + nostra, feminine of nostro, our.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • He's also supposed to be closely connected with one of the Cosa Nostra families.

    Noble House

  • Sullivan blamed Junior Maggione and La Cosa Nostra for everything, the huge, ugly mess that was happening now.


  • La Cosa Nostra would be looking all over for him now, and one day they'd find him.



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