Definitions:

1. A person who supports strong papal authority, especially over national churches or secular governments. NOUN
   • The ultramontanes opposed any movements to limit the Pope's power.
2. In geographical context, refers to situated beyond the mountains. ADJECTIVE
   • He traveled from France to the ultramontane regions of Italy.
3. In religous context, refers to supporting or relating to papal authority, especially the supremacy of the Pope over local or national churches. ADJECTIVE
   • The ultramontane bishops supported centralized papal control.

Synonyms:

• cisalpine
• papalist
• romanist
• tramontane
• transalpine
• vatican loyalist