n.
1.silky envelope spun by the larvae of many insects to protect pupas and by spiders to protect eggs cocoon v.
1.retreat as if into a cocoon, as from an unfriendly environment
2.wrap in or as if in a cocoon, as for protection
Idiom of the Day
shut (something) up or shut up (something)
to close the doors and windows of a building for a period of time
We decided to shut up our cottage for the winter.