| 释义 |
el·y·tron
\ˈelə.ˌträn\ noun
or elytrum \ˈelə.trəm\
(plural ely·tra \-_trə\)
Etymology: New Latin, from Greek elytron sheath, wing cover
1. : one of the thickened sclerotized anterior wings in beetles and some other insects that serve only to protect the posterior pair — called also wing cover
2. : one of the shielding dorsal scales of various polychaete worms |