If something is confined to a particular place, it exists only in that place. If it is confinedto a particular group, only members of that group have it.
The problem is not confined to Germany. [+ to]
These dangers are not confined to smokers. [+ to]
2. adjective [usually ADJECTIVE noun]
A confined space or area is small and enclosed by walls.
His long legs bent up in the confined space.
Synonyms: restricted, small, limited, narrow
3. adjective
If someone is confined to a wheelchair, bed, or house, they have to stay there, because they have a disability or are ill. This use could cause offence.
He had been confined to a wheelchair since childhood. [+ to]