/ Dictionary / Index C cyrtosis: Meaning and Definition of Find definitions for: cyr•to•sis Pronunciation: (sur-t?'sis), [key] ? n. any abnormal curvature of the spine or of the extremities. a viral disease of the cotton plant, characterized by stunted and distorted growth. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. Cyrillic cyrtostyle Related Content Daily Word Quiz: anecdote Analogy of the Day: Today?s Analogy Spelling Bee: Today?s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language