/ Dictionary / Index C canthus: Meaning and Definition of Find definitions for: can•thus Pronunciation: (kan'thus), [key] — pl. -thi the angle or corner on each side of the eye, formed by the junction of the upper and lower lids. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: canthus (Thesaurus) cant hook canticle Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language