elytron


el·y·tron

noun \ˈe-lə-ˌträn\
plural el·y·tra\-trə\

Definition of ELYTRON

:  one of the anterior wings in beetles and some other insects that serve to protect the posterior pair of functional wings

Illustration of ELYTRON

Origin of ELYTRON

New Latin, from Greek, sheath, wing cover, from eilyein to roll, wrap — more at voluble
First Known Use: 1774

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