noun
shutter box; door pocket; built-in case for sliding shutters
Refers to the recessed compartment in a wall or frame where a sliding door or shutter (such as an amado rain shutter) is stored when open. Common in traditional Japanese architecture.
雨戸を開けて戸袋に収める。
Open the rain shutters and put them away in the shutter box.
この家の戸袋は壁の中に作られている。
The door pocket of this house is built into the wall.