cocoon

Noun
  1. Silky envelope spun by the larvae of many insects to protect pupas and by spiders to protect eggs (synset 102315396)
Verb
  1. Retreat as if into a cocoon, as from an unfriendly environment (synset 202096947)
    "Families cocoon around the T.V. set most evenings"; "She loves to stay at home and cocoon"
  2. Wrap in or as if in a cocoon, as for protection (synset 201584782)

Other Searches