cocooned

adjective3

1. •
   Enclosed in a cocoon.

   • As previously stated, the true hibernating form of the midge is the "cocooned larva." — 1910
2. •
   Isolated, especially in an environment that limits interaction with whatever is outside it.

   • A young black hole formed in the center of galaxy can develop into the cocooned black hole or, as extreme possibility, into a magnetoid with a black hole inside. — 1981
3. •
   Stored in an inactive state; mothballed.

   • The cocooned machinery in its case being hoisted aboard Grace Line's Santa Ana. — 1947