/ Dictionary / Index C cyclosis: Meaning and Definition of Find definitions for: cy•clo•sis Pronunciation: (sī-klō'sis), [key] — pl. -ses the movement of protoplasm within a cell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cyclosis (Thesaurus) cyclosilicate cyclosporine Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language