/ Dictionary / Index C catholicon: Meaning and Definition of Find definitions for: ca•thol•i•con Pronunciation: (ku-thol'i-kun), [key] — n. a universal remedy; panacea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: catholicon (Thesaurus) catholicity catholicos Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language