[n] (informal) any tightly knit group of trusted associates
[n] a secret terrorist group in Sicily; originally opposed tyranny but evolved into a criminal organization in the middle of the 19th century
[n] a crime syndicate in the United States; organized in families; believed to have important relations to the Sicilian Mafia
camp, clique, coterie, gangdom, gangland, ingroup, inner circle, mafioso, mob, organized crime, pack, syndicate
\Maf"fi*a\, Mafia \Ma"fi*a\, n. [It. maffia.] A secret society which organized in Sicily as a political organization, but is now widespread among Italians, and is used to further or protect private interests, reputedly by illegal methods.