A river in western Europe that rises in the Rhaetian Alps of Switzerland and flows for 320 miles (508 km) through the Austrian Tyrol past Innsbruck into southern Germany where it flows into the Danube River at Passau.
Definition of Inn River in US English:
Inn River
proper nounˌin ˈrivər
A river in western Europe that rises in the Rhaetian Alps of Switzerland and flows for 320 miles (508 km) through the Austrian Tyrol past Innsbruck into southern Germany where it flows into the Danube River at Passau.