1. situated or living beyond the mountains
Usage: formal
2. coming from or originating beyond the mountains
Usage: formal

Examples

• The transmontane regions were difficult to reach before modern transportation.
• Transmontane winds brought cooler air from beyond the mountain range.
• The explorer studied transmontane cultures on the far side of the Alps.
• Trade routes connected the coastal cities with transmontane settlements.
• The transmontane provinces had different customs and dialects.
• Ancient Romans used the term to describe lands beyond their mountain borders.