mafia
Concise Oxford English Dictionary © 2008 Oxford University Press:
Mafia /ˈmafɪə/
▶noun [treated as sing. or pl.]
- 1 (the Mafia) an organized international body of criminals originating in Sicily and having a complex and ruthless behavioural code.
- 2 (usu. mafia) a group exerting a hidden sinister influence: the British literary mafia.
– origin Ital. (Sicilian dial.), orig. in the sense ‘bragging’.
'mafia' also found in these Oxford entries:

