Cosa Nostra

[koh-zuh nohs-truh] /ˈkoʊ zə ˈnoʊs trə/
noun
1.
a secret association engaged in organized crime in the U.S., modeled after and affiliated with the Mafia.
Origin
1960-65; < Italian: literally, our affair
British Dictionary definitions for Cosa Nostra

Cosa Nostra

/ˈkəʊsə ˈnɒstrə/
noun
1.
the branch of the Mafia that operates in the US
Word Origin
Italian, literally: our thing
Word Origin and History for Cosa Nostra

cosa nostra

1963, "the Mafia in America," from Italian, literally "this thing of ours."