American Heritage® Dictionary of the English Language, Fourth Edition
- n. The innermost or first digit on the hind foot of certain mammals. The human hallux is commonly called the big toe.
- n. A homologous digit of a bird, reptile, or amphibian. In birds, it is often directed backward.
Century Dictionary and Cyclopedia
- n. The innermost of the five digits which normally compose the hind foot of air-breathing vertebrates; in man, the great toe. See cut under foot. It is the correlative of pollex, the corresponding digit of the hand. In ornithology it is the digit of the fewest joints, when there are four digits: in birds with three toes in front and one behind it is the hind one; in birds with four digits, all in front, it is the inner one; in birds with four digits, two behind and two before, it is the inner hind one, except in the trogons, where it is the outer hind one; in nearly all birds with three or two digits it is wanting. See cut under
- n. anatomy The big toe
GNU Webster's 1913
- n. (Anat.) 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.
- n. the first largest innermost toe
- New Latin, from Latin allus, hallus. (Wiktionary)
- Medieval Latin hallux, blend of Latin allus, hallus, thumb, and Latin hallex, big toe. (American Heritage® Dictionary of the English Language, Fourth Edition)
“Over time, that insignificant value becomes significant," said Connors, who rattled through an abridged list of Khannouchi's ailments—patellofemoral syndrome, ankle impingement, bone spurs and something called hallux rigidus, which is degenerative arthritis in the big toe.”
“The hind toe is called the hallux, and corresponds to the thumb of the human hand, so that in grasping an object it can be made to meet any of the other toes.”
“Osteoarthritis of the first metatarsophalangeal joint (MPJ) of the foot, termed hallux limitus, is common and painful.”
“We treat disorders and deformities of the foot and ankle as well as clubfoot, vertical talus, hallux valgus, fractures and other trauma.”
“I never thought I'd pin my life's happiness (at least for the next three weeks) on one man's hallux.”
“Compared to other hornbills, ground hornbills have elongate tarsometatarsi, and they also have short toes, though strangely with the hallux being the longest of the four (note that this is rarely depicted accurately in artwork).”
“Its broad feet, prominent and curved claws, large hallux, and palms and soles covered in small tubercles indicated that it was a tree-climbing species.”
“No primatologist or anthropologist seems to have made anything of this, but I've yet to see anything that would rule out an arboreal leaping stage in (small) hominids that would explain the transition to walking bipedalism (indriids can't do this with their huge divergent hallux, but we grip branches with the instep instead).”
“Species of the latter are specialized for life at high latitudes, and have short tails, a reduced hallux and inflated auditory bullae.”
“The Latin name for this is hallux valgus (hallux for big toe, valgus for bent outward).”
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