I. co‧coon¹ /kəˈkuːn/ noun [countable]
[Date: 1600-1700; Language: French; Origin: cocon, from Provençal, from coco 'shell']

1. a silk cover that young moths and other insects make to protect themselves while they are growing

2. something that wraps around you completely, especially to protect you
cocoon of
The baby peered out of its cocoon of blankets.

3. a place or situation in which you feel comfortable and safe, and are protected from anything unpleasant
cocoon of
She was surrounded by the cocoon of a loving family.

[TahlilGaran] Dictionary of Contemporary English ▲

II. cocoon² verb [transitive usually passive]
to protect or surround someone or something completely, especially so that they feel safe
be cocooned in something
She was cocooned in a reassuring network of friends and relatives.
Usually she lay for ages cocooned in her warm bed.
—cocooned adjective:
a rich cocooned existence

[TahlilGaran] Dictionary of Contemporary English ▲