Definition of “cocoon” - English Dictionary

“cocoon” in British English

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(Definition of “cocoon” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“cocoon” in American English

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cocoonnoun [ C ]

us /kəˈkun/

the silky covering that encloses and protects caterpillars (= a type of insect) during a stage in their lives before they develop into adults

fig. A cocoon is also a safe, quiet place:

the warm, safe cocoon of childhood

(Definition of “cocoon” from the Cambridge Academic Content Dictionary © Cambridge University Press)