noun
cave from which cold wind blows; wind cave
Refers to a natural cave or opening where cold air flows out, often found in mountainous or volcanic areas. The term is somewhat specialized and may be encountered in geographical or travel contexts.
この山には風穴がいくつかあり、夏でも冷たい風が吹き出している。
There are several wind caves in this mountain, and cold wind blows out even in summer.