# Roman Catholicism

> English word · Proper noun

## Definitions
1. The beliefs or religion of Roman Catholics and their Roman Catholic Church.

## Etymology
From Roman Catholic + -ism.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/roman-catholicism