- ultramontane⇄adj. 1. beyond the mountains; transmontane.
2. south of the Alps; Italian.
3. supporting the absolute authority of the pope in matters of faith and morals when he speaks as the head of the Roman Catholic Church. - ultramontane⇄noun 1. a person living south of the Alps.
2. one of a party of the Roman Catholic Church maintaining the absolute authority of the pope in matters of religious faith and ecclesiastical discipline. - ultramontane⇄ultramontane, adjective, noun.