A hallux, or dewclaw, is a functionless claw that doesn't hit the ground. Some dinosaurs had dewclaws.
Found on http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
Great (big) toe.
Found on http://www.gadsbywicks.co.uk/uploaded/3822.pdf
Hallux: What the ancient Romans called the big toe. Since hallux was a good enough word for the big toe among the ancient Romans, it has long done yeoman's duty in medicine. Abnormalities of the big toe tend thus to be called hallux this-or-that. For example, hallux valgus and hallux varus. In hallux valgus, the big toe is bent outward (valgus) so
Found on http://www.medterms.com/script/main/art.asp?articlekey=6405
[ New Latin , from Latin hallex
The first, or preaxial, digit of the hind limb, corresponding to the pollux in the fore limb; the great toe; the hind toe of birds.
Found on http://www.encyclo.co.uk/webster/H/8
<anatomy, ornithology> The first, or preaxial, digit of the hind limb, corresponding to the pollux in the fore limb; the great toe; the hind toe of birds. ... Origin: NL, fr. L. Hallex, allex. ... Source: Websters Dictionary ... (01 Mar 1998) ...
Found on http://www.mondofacto.com/facts/dictionary?hallux
(hal´әks) pl. hal´luces Latin word meaning the great toe.
Found on http://www.encyclo.co.uk/local/21001
• (n.) The first, or preaxial, digit of the hind limb, corresponding to the pollux in the fore limb; the great toe; the hind toe of birds.
Found on http://thinkexist.com/dictionary/meaning/hallux/
The hallux is the innermost of the five digits which normally compose the hind foot of a vertebrate animal; in a person the hallux is the big or great toe, in a bird it is the hind toe.
Found on http://www.probertencyclopaedia.com/browse/BH.HTM
The hallux is the innermost of the five digits which normally compose the hind foot of a vertebrate. In humans the big toe, in a bird the hind toe.
Found on http://www.probertencyclopaedia.com/browse/EH.HTM
Type: Term Pronunciation: hal′ŭks, hal′ū-sēz Synonyms: great toe [I]
Found on http://www.medilexicon.com/medicaldictionary.php?t=39129
Latin hallex = great toe (hallucis = of the great toe).
Found on http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?
Found on http://www.pugetsound.edu/academics/academic-resources/slater-museum/biodiv
The toe which faces backwards on most raptors. In hawks, this is the talon most responsible for puncturing the vitals of prey. Technically, this is labeled toe #1. The innermost forward toe is toe #2, the next toe outside of that is toe #3 and the furthest front-facing toe is toe #4. With regards to the feet, most raptors have three toes facing for
Found on http://www.themodernapprentice.com/glossary.htm
The large, opposable single rear toe on a bird's foot that helps a bird grip a branch. Bluebirds have three front-pointing digits, and one or hallux.
Found on http://www.sialis.org/glossary.htm
the largest toe, which points backwards in most bird species, assists in perching
Found on http://www.nationaleaglecenter.org/eagle-info/glossary/
Hind toe (first digit on foot), usually directed backwards, sometimes reduced (e.g. coucals) or absent (e.g. Ostrich and bustards).
Found on http://www.jacanaent.com/PhotoLib/Glossary.htm
Found on http://phrontistery.info/h.html
No exact match found