海かい跡せき湖こ

noun

lagoon; coastal lake

A lake formed when a bay or inlet is cut off from the sea by sediment deposition or coastal uplift. Used in geography and earth science contexts.

• サロマ湖こは北ほっ海かい道どうにある海かい跡せき湖こです。

  Lake Saroma is a lagoon in Hokkaido.