水みず氷ごおり

noun

ice-water mixture; slush ice

Specifically a mixture of ice and water used to keep fish fresh, often in a cooler or fish box.

• 漁りょう師しは魚さかなを水みず氷ごおりで冷ひやしながら港みなとに戻もどった。

  The fisherman returned to port while keeping the fish chilled in an ice-water mixture.