thalweg
noun
/ˈtaːlvɛç/
,
/ˈtɑl.vɛɡ/
,
/ˈtɑːlvɛɡ/
,
/ˈθɑːlwɛɡ/
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- (geology, geography, cartography) The line that connects the lowest points in a valley or river channel, and thus the line of fastest flow or deepest water along a river’s course.
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vaguada
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