cocoon

definition: silky envelope spun by the larvae of many insects to protect pupas and by spiders to protect eggs
example:
speech part: noun
synonyms:
definition: to wrap in or as if in a cocoon, as for protection
example:
speech part: verb
synonyms:
definition: to retreat as if into a cocoon, as from an unfriendly environment
example: Families cocoon around the T.V. set most evenings.
speech part: verb
synonyms:

cocoon is explained and pronounced

How cocoon is being used?