堰せき止とめ湖こ

noun

dammed lake (natural damming)

Refers to a lake formed when a river is blocked by a natural dam, typically from a landslide, volcanic eruption, or lava flow.

• 堰せき止とめ湖こは、地じ滑すべりや火か山ざん活かつ動どうによって川かわがせき止とめられてできる湖みずうみです。

  A dammed lake is a lake formed when a river is blocked by a landslide or volcanic activity.