confined, fenced in, penned

enclosed \enclosed\ adj. surrounded or closed in, usually on all sides. Opposite of unenclosed. [Narrower terms: basined; capsulate, capsulated; closed, closed in(predicate); coarctate; confined, fenced in, penned; embedded, fixed; embedded, surrounded; encircled; enveloped; fogbound; self-enclosed; surrounded, encircled] [WordNet 1.5]