elytron

名词 elytron:

1. either of the horny front wings in beetles and some other insects which cover and protect the functional hind wings
   同义词：wing case

el.y.tron

n.（名词）
【复数】 el.y.tra[-tr…]
Either of the leathery or chitinous forewings of a beetle or a related insect, serving to encase the thin, membranous hind wings used in flight.Also called wing case
鞘翅：甲虫或其它相关的昆虫的一对坚韧的或几丁质的前翅，用于保护飞行中薄的、膜状的后翅也作 wing case

来源：
New Latin
现代拉丁语
from Greek elutron [sheath] * see wel- 2
源自 希腊语 elutron [鞘] *参见 wel- 2

【引伸】
el.ytroid.