клету́шка

rare #38535nounfeminineinanimatecountable

1.
tiny room, closet, little chamber
Он жил в те́сной клету́шке под самой кры́шей.
He lived in a cramped little room right under the roof.
Diminutive of «клеть»; often colloquial and slightly disparaging about cramped living quarters.

Examples

В маленькой клетушке едва помещалась кровать.
There was barely enough room for a bed in the tiny room.
Эта клетушка служила ему рабочим кабинетом.
This tiny room served as his office.
Мы жили в тесной клетушке в общежитии.
We lived in a cramped little room in the dormitory.