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thalweg
[ tahl-veg, -veyk ]
noun
- a line, as drawn on a map, connecting the lowest points of a valley.
- Chiefly International Law. the middle of the main navigable channel of a waterway that serves as a boundary line between states.
thalweg
/ ˈtɑːlvɛɡ /
noun
- the longitudinal outline of a riverbed from source to mouth
- the line of steepest descent from any point on the land surface
thalweg
/ täl′vĕg′ /
- The line defining the lowest points along the length of a river bed or valley, whether underwater or not.
- A subterranean stream following a course similar to that of an overlying surficial stream.
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Word History and Origins
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Word History and Origins
Origin of thalweg1
C19: from German, from Thal valley + Weg way, path
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Example Sentences
The thalweg has been frequently confirmed as the accepted boundary where no conventions to the contrary existed.
From Project Gutenberg
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