codex
    n 1: an official list of chemicals or medicines etc.
    2: an unbound manuscript of some ancient classic (as
       distinguished from a scroll) [syn: codex, leaf-book]

Codex \Co"dex\ (k[=o]"d[e^]ks), n.; pl. Codices. [L. See
   Code.]
   1. A book, especially an early form of book with pages
      stitched together, contrasting with the earlier scrolls; a
      manuscript; as, a DaVinci codex.
      [1913 Webster]

   2. A collection or digest of laws; a code(senses 2 or 4).
      [archaic] --Burrill.
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   3. An ancient manuscript of the Sacred Scriptures, or any
      part of them, particularly the New Testament.
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   4. A collection of canons. --Shipley.
      [1913 Webster]

CODEX. Literally, a volume or roll. It is particularly applied to the volume 
of the civil law, collected by the emperor Justinian, from all pleas and 
answers of the ancient lawyers, which were in loose scrolls or sheets of 
parchment. These he compiled into a book which goes by the name of Codex.