noun
small room; closet; cubicle; booth; stall
Refers to any small enclosed space within a building, such as a tiny room, closet, booth, or stall. The exact meaning depends on context.
See also: 部屋
このアパートには小部屋が一つしかありません。
This apartment has only one small room.
駅の小部屋で切符を買った。
I bought a ticket at the station booth.