small balcony; service balcony
A small balcony, often attached to an apartment or hotel room, typically just large enough for an air conditioner unit or a few plants. The English term 'service balcony' is not widely used in this sense.
from English service balcony
This room comes with a small balcony.
I hang laundry on the service balcony.
Variant with interpunct; less common in running text.
From English 'service balcony', though the Japanese usage refers to a small, often utility balcony rather than a balcony for service staff.