三み日か月づき湖こ

noun

oxbow lake; billabong

A crescent-shaped lake formed when a meander of a river is cut off from the main channel. The Japanese name literally means 'crescent moon lake'.

• 三み日か月づき湖こは、川かわの流ながれが変かわってできた三み日か月づき形がたの湖みずうみです。

  An oxbow lake is a crescent-shaped lake formed when a river changes course.