名詞 crus:

1. the leg from the knee to foot

crus

n.（名詞）
【復數(shù)】 cru.ra[krôr.…]
The section of the leg or hind limb between the knee and foot; shank.
小腿，脛：位于膝蓋和腳之間的腿部或后肢的部位；脛

A leglike part.
似腿的部分
A body part consisting of elongated masses or diverging bands that resemble legs or roots.
海綿體：一個由可延伸的團塊或分叉的腱帶組成的身體部位，象腿或根

來源：
Latin crôs crôr- [leg]
拉丁語 crôs crôr- [腿]