Old Catholic: Meaning and Definition of

Old' Cath'olic

1. a member of any of several European churches professing to be truly Catholic but rejecting certain modern Roman Catholic doctrines, dogmas, and practices, esp. the dogma of papal infallibility.
2. a member of any of several minor churches, esp. in the U.S., differing from the Roman Catholic Church chiefly in their rejection of the ecclesiastical authority of the Roman Catholic hierarchy.