/ Dictionary / Index C codex: Meaning and Definition of Find definitions for: co•dex Pronunciation: (kō'deks), [key] — pl. co•di•ces a quire of manuscript pages held together by stitching: the earliest form of book, replacing the scrolls and wax tablets of earlier times. a manuscript volume, usually of an ancient classic or the Scriptures. a code; book of statutes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: codex (Thesaurus) code word Codex Juris Canonici Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language