'Catharist' definitions:

Definition of 'Catharist'

From: GCIDE

Catharist \Cath"a*rist\, n. [LL. catharista, fr. Gr. ? clean, pure.] One aiming at or pretending to a greater purity of like than others about him; -- applied to persons of various sects. See Albigenses. [1913 Webster]