1985 sci-fi film starring Don Ameche and Wilford Brimley (6)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
cocoon
(Other definitions for cocoon that I've seen before include "secure environment" , "Swathe" , "Chrysalis casing" , "Protective covering around some animal eggs" , "protective clothing" .)