Cocoon

Definition

A protective casing spun by the larvae of certain insects, primarily moths and some butterflies, to encase themselves during the pupal stage.

Etymology

From French 'cocon', originally from Medieval Latin 'cocconus', from 'coccus', meaning 'berry' or 'seed'.

Example

The silkworm spins a cocoon made of silk threads during its pupal stage.

Synonyms

• Pupal case
• Silk casing

Related Terms

• chrysalis
• Pupa
• Larva
• Metamorphosis

Usage Notes

Cocoons vary in texture, composition, and size depending on the species. They provide protection during the vulnerable pupal stage.