What does "black hand" mean?

a secret terrorist society in the United States early in the 20th century

What is a synonym for "black hand"?

Common synonyms include: mafia, mob, organized crime, rackets, syndicate, underworld.

name

name ·Rare ·Advanced level

Noun

1
a secret terrorist society in the United States early in the 20th century wordnet

Proper Noun

1
A type of extortion racket, typically involving sending a letter demanding that the victim leave a sum of money in an agreed location to avert a threatened kidnap, arson, murder, etc.