'Black Hand' definitions:

Definition of 'Black Hand'

From: WordNet
noun
A secret terrorist society in the United States early in the 20th century

Definition of 'Black Hand'

From: GCIDE
  • Black Hand \Black Hand\ [A trans. of Sp. mano negra.]
  • 1. A Spanish anarchistic society, many of the members of which were imprisoned in 1883. [Webster 1913 Suppl.]
  • 2. A lawless or blackmailing secret society, esp. among Italians. [U. S.] [Webster 1913 Suppl.]