Mafia1. A secret terrorist organization in Sicily, operating since the early 19th century in opposition to legal authority.
2. A secret criminal organization of Italian origin operating in the United States and engaged in illegal activities such as gambling, drug-dealing, and prostitution.
3. Any of various similar criminal organizations, especially when dominated by members of the same nationality.
Camorra1. A Neapolitan secret society organized about 1820, notorious for practicing violence and blackmail.
2. An unscrupulous, clandestine group.
'Ndrangheta (from a Greek word for heroism and virtue) is a mafia-like criminal organization in Calabria, Italy. It is not as sophisticated and has remained more rural compared to the Napolitan Camorra and the Apulian sacra corona unita. Though commonly lumped together with the Sicilian mafia, the 'Ndrangheta operate completely independently to the Sicilians, though there is contact between the two due to the geographical closeness of Calabria and Sicily. ...