(noun.) silky envelope spun by the larvae of many insects to protect pupas and by spiders to protect eggs.
(verb.) wrap in or as if in a cocoon, as for protection.
(verb.) 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'.
手打:利奥波德