'Druidism' definitions:

Definition of 'druidism'

(from WordNet)
noun
The system of religion and philosophy taught by the Druids and their rites and ceremonies

Definition of 'Druidism'

From: GCIDE
  • Druidism \Dru"id*ism\, n. The system of religion, philosophy, and instruction, received and taught by the Druids; the rites and ceremonies of the Druids. [1913 Webster]