noun, noun or participle which takes 'suru'
indoor drying; hanging laundry to dry indoors
Refers to drying laundry inside the house, often when outdoor drying is not possible due to weather or space. Commonly used as a noun or with する.
雨の日は部屋干しするしかない。
On rainy days, I have no choice but to dry the laundry indoors.
部屋干しの洗濯物がなかなか乾かない。
The laundry hung indoors just won't dry.