/ Dictionary / Index C cloistral: Meaning and Definition of Find definitions for: clois•tral Pronunciation: (kloi'strul), [key] — adj. of, pertaining to, or living in a cloister. cloisterlike. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cloistral (Thesaurus) cloister garth cloistress Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language