die Flussgrenze
Translation
river border, river boundary
Examples
Der Rhein bildet eine natürliche Flussgrenze.
The Rhine forms a natural river border.
Die Überquerung der Flussgrenze ist gefährlich.
Crossing the river border is dangerous.
Grammar Patterns
to form a river border The Oder-Neisse line forms a river border.
Similar Words
Synonyms: natürliche Grenze (natural border)
Etymology
A compound word from 'Fluss' (river) and 'Grenze' (border).
Memory Tips
Picture a river that physically separates two countries. That river is the 'Flussgrenze'.