'Catharism' definitions:
Definition of 'Catharism'
From: WordNet
noun
A Christian movement considered to be a medieval descendant of Manichaeism in southern France in the 12th and 13th centuries; characterized by dualism (asserted the coexistence of two mutually opposed principles, one good and one evil); was exterminated for heresy during the Inquisition [syn: Albigensianism, Catharism]