1.
If something is ~ to a particular place, it exists only in that place. If it is ~ to a particular group, only members of that group have it.
The problem is not ~ to Germany...
These dangers are not ~ to smokers.
= restricted
ADJ: v-link ADJ to n
2.
A ~ space or area is small and enclosed by walls.
His long legs bent up in the ~ space.
ADJ: usu ADJ n
3.
If someone is ~ to a wheelchair, bed, or house, they have to stay there, because they are disabled or ill.
He had been ~ to a wheelchair since childhood.
ADJ: v-link ADJ to n