noun
saltwater lake; salt lake
A lake with high salinity, often contrasted with freshwater lakes (淡水湖). Used in geography and environmental contexts.
死海は有名な鹹水湖です。
The Dead Sea is a famous saltwater lake.
この地域にはいくつかの鹹水湖が点在している。
Several saltwater lakes are scattered in this region.
塩湖 is a more common synonym for 'salt lake', while 鹹水湖 is a technical term.
Compound of 鹹水 (saltwater) + 湖 (lake). The character 鹹 means 'salty' or 'briny' and is rarely used outside technical terms.