Catholic epistles: The epistles of James, Peter, John, and Jude; so called because they are addressed to Christians in general, and not to any church or person in particular.

Noah Webster's New International Dictionary of the English Language

1. (a.) Universal or general; as, the catholic faith.

2. (a.) Not narrow-minded, partial, or bigoted; liberal; as, catholic tastes.

3. (a.) of or pertaining to, or affecting the Roman Catholics; as, the Catholic emancipation act.

4. (n.) A person who accepts the creeds which are received in common by all parts of the orthodox Christian church.

5. (n.) An adherent of the Roman Catholic church; a Roman Catholic.