noun
snow storehouse; snow storage hut
A traditional structure for preserving snow through warmer seasons, often used historically for refrigeration. Compare 氷室 (ice house).
See also: 氷室
昔は雪室に雪を蓄えて夏まで保存した。
In the past, they stored snow in a snow storehouse and kept it until summer.
noun
snow cavern; snow cave
A natural or artificial cavity in snow, such as an igloo-like shelter or a hollow formed by melting.
登山中に雪室を見つけて休憩した。
During the climb, we found a snow cavern and took a rest.
氷室 is an ice house for storing ice, while 雪室 specifically stores snow.
Compound of 雪 (snow) and 室 (room, chamber). The exact historical origin is uncertain, but the term refers to a structure for storing snow.