dewlap

名词 dewlap:

1. a hanging fold of loose skin on an elderly person's neck

dew.lap

n.（名词）
A fold of loose skin hanging from the neck of certain animals.
下垂的皮：某些动物颈部下垂的一块松软的皮肤形成的褶痕
A pendulous part similar to this, such as the wattle of a bird.
下垂的肉：类似悬垂的部分，如鸟类的垂肉

来源：
Middle English dewlappe
中古英语 dewlappe
dew [origin unknown]
dew [起源不明]
lappe [fold] * see lap 2
lappe [褶痕，皱褶] *参见 lap2