Source : Webster's Revised Unabridged Dictionary (1913)

Camorra \Ca*mor"ra\, n. [It.]
   A secret organization formed at Naples, Italy, early in the
   19th century, and used partly for political ends and partly
   for practicing extortion, violence, etc. -- {Ca*mor"rist}, n.

Source : WordNet®

Camorra
     n : a secret society in Naples notorious for violence and
         blackmail