/ Dictionary / Index C calathus: Meaning and Definition of Find definitions for: cal•a•thus Pronunciation: (kal'u-thus), [key] — pl. -thi kalathos. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. calathiform calaverite Related Content Daily Word Quiz: dilapidated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language