thalweg   (TTS Sound)

The thalweg has 2 Senses.

• thalweg
• the middle of the chief navigable channel of a waterway that forms the boundary line between states
• 国の境界線を形成する水路の、航行可能な主要河床の真ん中

• thalweg
• a line following the lowest points of a valley
• 谷の最も低い点をたどる線