Meanings of boxlike room in English

In his small, boxlike room he undressed with the light off and crawled into bed naked.

The mahogany cupboard stood quietly against the far wall, in a tiny boxlike room that opened out beyond the twin beds.

He entered a saloon, nodded to the proprietor, and led the way through it to a boxlike room containing a board table and two chairs.

It was a rabbit-warren of tiny, boxlike rooms, threaded with narrow, labyrinthine passages, just wide enough for two slim persons to pass side by side.