/ Dictionary / Index C Catherine de Médicis: Meaning and Definition of Find definitions for: Ca•the•rine de Mé•di•cis Pronunciation: (kat-rēn du mā-dē-sēs'), [key] — (Caterina de' Medici) 1518–89, queen of Henry II of France (mother of Francis II, Charles IX, and Henry III). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Catherine II Catherine Howard 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