Definition of hallux
hallucesplay \ˈha-lə-ˌsēz, ˈhal-yə-\
: the innermost digit (as the big toe) of a hind or lower limb
Origin and Etymology of hallux
New Latin, from Latin hallus, hallux
First Known Use: 1831
Seen and Heard
What made you want to look up hallux? Please tell us where you read or heard it (including the quote, if possible).