/ Dictionary / Index C cathisma: Meaning and Definition of Find definitions for: ca•this•ma Pronunciation: (Gk. kä'thēz-mä Eng. ka-thiz'm&schwa), [key] — pl. ca•this•ma•ta kathisma. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Cathie Cathleen Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language