plural noun
Cos·​si·​dae | \ ˈkäsəˌdē\

Definition of Cossidae

: a family of nocturnal moths with heavy spindle-shaped bodies and strong narrow wings including the goat moths, carpenter moths, and related forms and having larvae that bore in the wood of living trees

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History and Etymology for Cossidae

New Latin, from Cossus, type genus + -idae

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to move with exaggerated bouncy motions

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