thalweg or talweg /tälˈveg, -vāhh/ (geology)

1. The longitudinal profile of the bottom of a river bed
2. The middle of a main navigable waterway, acting as a boundary between states

• measure strength
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• measuring-rod
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• measurings
• measuring spoon
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• measuring-worm
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• meat
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• meat and drink
• meat and potatoes
• meat-ax
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• meatball