Cosa Nostra Hear it!

Cosa Nostra definition

Cosa Nostra (kō′sə nō′strə)

  1. Mafia, esp. the Mafia in the U.S.
  2. any exclusive, dominating organization or group

Etymology: It, our thing, our affair

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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