/ Dictionary / Index C clysis: Meaning and Definition of Find definitions for: cly•sis Pronunciation: (klī'sis), [key] — pl. -ses the administration of an enema. intravenous administration of any of a number of solutions to provide nutriment, replace lost body fluid or control blood pressure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. clypeus clyster Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language