The Collaborative International Dictionary of English v.0.48:
Papism \Pa"pism\, n. [F. papisme. See Pape, Pope.] Popery; -- an offensive term. --Milton. [1913 Webster]WordNet (r) 3.0 (2006):
papism n 1: the beliefs and practices of the Catholic Church based in Rome [syn: Romanism, Roman Catholicism, papism] 2: offensive terms for the practices and rituals of the Roman Catholic Church [syn: popery, papism]