Codex \Co"dex\, n.; pl. Codices. [L. See Code.]

1. A book; a manuscript.

2. A collection or digest of laws; a code. --Burrill.

3. An ancient manuscript of the Sacred Scriptures, or any part of them, particularly the New Testament.

4. A collection of canons. --Shipley.

Source: Webster's Revised Unabridged Dictionary (1913)