roman catholic

(noun) a member of the Roman Catholic Church. Synonyms: Roman Catholic.

(noun) the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy. Synonyms: Roman Catholic, Western Church, Roman Catholic Church, Church of Rome, Roman Church.

(adj) of or relating to or supporting Romanism. Synonyms: Roman, R.C., Romanist, romish, Roman Catholic, popish, papist, papistic, papistical. Example: "The roman catholic church."