confined

adj.

having movement restricted to within a certain area; -- usually a building. Opposite of unconfined.
deprived of liberty; especially placed under arrest or restraint.
having movement restricted to within an enclosed outdoor area; -- of animals.
not invading healthy tissue. (Med.)
held prisoner.
having movement or progress restricted to a certain area; as, an outbreak of the plague confined to one quarter of the city; wildfires confined to within the canyon.