'Mithraism' definitions:

Definition of 'Mithraism'

From: WordNet
noun
Ancient Persian religion; popular among Romans during first three centuries a.d. [syn: Mithraism, Mithraicism]

Definition of 'Mithraism'

From: GCIDE
  • Mithraism \Mithraism\ prop. n. The ancient Persian religion which worshiped Mithra; it was popular among Romans during first three centuries a. d.
  • Syn: Mithraicism. [WordNet 1.5]