hallux

【医】 ы趾, ы

名词复数:halluces 

hal.lux

n.（名词）
【复数】 hal.lu.ces[h2l.y…-sôz., h2l.…-]
The innermost or first digit on the hind foot of certain mammals. In human beings, it is commonly called the big toe.
拇趾，大趾：某些哺乳动物后脚上最内侧或是人类的第一个脚趾头，它通常为称为大拇趾
A homologous digit of a bird, a reptile, or an amphibian. In birds, it is often directed backward.
后趾：鸟、爬行动物或两栖动物类似的一个趾头，对鸟而言它通常向后

来源：
Latin hallux, hallus
拉丁语 hallux, hallus