/ Dictionary / Index C cisterna: Meaning and Definition of Find definitions for: cis•ter•na Pronunciation: (si-stûr'nu), [key] — pl. cis•ter•nae cistern (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cisterna (Thesaurus) cistern cistern barometer Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language