"cocoons" in the noun sense
silky envelope spun by the larvae of many insects to protect pupas and by spiders to protect eggs
"cocoons" in the verb sense
retreat as if into a cocoon, as from an unfriendly environment
"Families cocoon around the T.V. set most evenings"
"She loves to stay at home and cocoon"
wrap in or as if in a cocoon, as for protection
Source: WordNet® (An amazing lexical database of English)
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