cacoon
/kɒˈkuːn/Definitions
1. noun
A protective covering or casing, especially one produced by an insect, in which it rests or undergoes metamorphosis.
“The butterfly emerged from its cocoon and flew away.”
2. noun
A state of being secluded or isolated, often for a period of quiet reflection or contemplation.
“She had been in a cocoon of her own thoughts for weeks, trying to process her emotions.”
3. verb
To encase or envelop something in a protective covering.
“The caterpillar will cocoon itself in silk to protect its body from harm.”