noun
garbage chute; trash chute
A vertical or sloped duct in a building for disposing of garbage, typically found in apartment complexes or high-rises. Wasei-eigo from English 'dust chute'.
wasei-eigo (Japanese-coined English), from dust chute
このマンションには各階にダストシュートがある。
This apartment building has a garbage chute on every floor.
ダストシュートにゴミを捨てる前に、分別を
Please check the sorting before throwing trash down the chute.