frenulum

fren.u.lum

n.（名词）
【复数】 fren.u.la[-l…]
Anatomy A small frenum.
【解剖学】 小系带
Entomology A bristly structure on the hind wings of certain moths and butterflies that holds the forewings and hind wings together during flight.
【昆虫学】 翅缰：某些飞蛾和蝴蝶后翅上的易碎结构，可以在飞行时使前后翅协调工作

来源：
New Latin
现代拉丁语
diminutive of Latin frônum [bridle]
拉丁语 frônum的小后缀 [马笼头]
from frendere [to grind] * see ghrendh-
源自 frendere [磨碎] *参见 ghrendh-