/ Dictionary / Index T talus: Meaning and Definition of Find definitions for: ta•lus Pronunciation: (tā'lus), [key] — pl. -li the uppermost bone of the proximal row of bones of the tarsus; anklebone. ta•lus Pronunciation: (tā'lus, tal'us), [key] — pl. -lus•es. a slope. a sloping mass of rocky fragments at the base of a cliff. the slope of the face of a work. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: talus (Thesaurus) taluk Talys Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language