plural noun
Cy·​nip·​i·​dae | \ sə̇ˈnipəˌdē\

Definition of Cynipidae

: a large family of small hymenopterous insects (superfamily Cynipoidea) comprising the gall wasps most of which produce galls on plants (such as oaks and rosebushes) in which their larvae develop — see cynips

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History and Etymology for Cynipidae

New Latin, from Cynip-, Cynips, type genus + -idae

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