enclosed space
noun phraseUK /ɪnˈkləʊzd speɪs/
US /ɪnˈkloʊzd speɪs/
A place that is closed in on all sides so you cannot easily get out.
The little room felt like an enclosed space with no windows.
OTHER MEANINGS
2. A small area inside something larger, like a box or a shell.
The turtle pulled its head into the enclosed space of its shell.
3. A room or area with walls or fences all around it.
The playground has an enclosed space where kids can play safely.
4. A place with little fresh air or room to move.
The cave was a dark enclosed space that felt very tight.