Cosa Nostra

[ koh-zuh nohs-truh ]
/ ˈkoʊ zə ˈnoʊs trə /

noun

a secret association engaged in organized crime in the U.S., modeled after and affiliated with the Mafia.

Origin of Cosa Nostra

1960–65; < Italian: literally, our affair
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for cosa nostra

Cosa Nostra
/ (ˈkəʊsə ˈnɒstrə) /

noun

the branch of the Mafia that operates in the US

Word Origin for Cosa Nostra

Italian, literally: our thing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012