hal·​lux ˈha-ləks How to pronounce hallux (audio)
plural halluces ˈha-lə-ˌsēz How to pronounce hallux (audio)
: the innermost digit (such as the big toe) of a hind or lower limb

Example Sentences

Recent Examples on the Web If the hallux can’t bend sufficiently then problematic compensations occur. Outside Online, 5 Aug. 2019 During the running gait, all your propulsive force is transmitted through the hallux into the ground as your stance leg becomes the swing leg. Kyle Norman, Outside Online, 7 Jan. 2021 Mobility Drills Mobilize the hallux with the drills listed below. Outside Online, 5 Aug. 2019 The back, hallux talon, is the largest at almost 2 inches long in females and 1 1/4 on males. Orange County Register, 5 Jan. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hallux.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin, from Latin hallus, hallux

First Known Use

1831, in the meaning defined above

Time Traveler
The first known use of hallux was in 1831

Dictionary Entries Near hallux

Cite this Entry

“Hallux.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hallux. Accessed 31 May. 2023.

Medical Definition


hal·​lux ˈhal-əks How to pronounce hallux (audio)
plural halluces ˈhal-(y)ə-ˌsēz How to pronounce hallux (audio)
: the innermost digit (as the big toe in humans) of a hind or lower limb
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