▸ adjective
1 advocating supreme papal authority in matters of faith and discipline:
ultramontane Catholicism.
Compare with Gallican. 2 situated on the other side of the Alps from the point of view of the speaker:
ultramontane basins where almost no rain fell.
▸ noun a person advocating supreme papal authority.
– ORIGIN late 16th century (denoting a representative of the Roman Catholic Church north of the Alps): from medieval Latin ultramontanus, from Latin ultra ‘beyond’ + mons, mont- ‘mountain’.