hallux

hal·lux  (hlks)

n. pl. hal·lu·ces (hly-sz, hl-)

1. The innermost or first digit on the hind foot of certain mammals. The human hallux is commonly called the big toe.

2. A homologous digit of a bird, reptile, or amphibian. In birds, it is often directed backward.

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[Medieval Latin hallux, blend of Latin allus, hallus, thumb, and Latin hallex, big toe.]

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hallux [ˈhæləks]

n

(Life Sciences & Allied Applications / Anatomy) the first digit on the hind foot of a mammal, bird, reptile, or amphibian; the big toe of man

[New Latin, from Late Latin allex big toe]

Thesaurus

Noun

1.

hallux - the first largest innermost toe       big toe, great toe foot, human foot, pes - the part of the leg of a human being below the ankle joint; "his bare feet projected from his trousers"; "armored from head to foot" toe - one of the digits of the foot