/ Dictionary / Index C Cassirer: Meaning and Definition of Find definitions for: Cas•si•rer Pronunciation: (kä-sēr'ur, ku-), [key] 1874–1945, German philosopher. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cassirer (Thesaurus) Cassiopeia cassis Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language