/ Dictionary / Index H hallux: Meaning and Definition of Find definitions for: hal•lux Pronunciation: (hal'uks), [key] — pl. hal•lu•ces the first or innermost digit of the foot of humans and other primates or of the hind foot of other mammals; great toe; big toe. the comparable, usually backward-directed digit in birds. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hallux (Thesaurus) hallucinosis hallway Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language