tanak \tanak\, tanakh \tanakh\, n. from the initial hebrew
   letters of torah, nevi'im, and kethubim.
   a term used among jews for the hebrew bible; the old
   testament. also spelled tanach.

   note: although christians use the term "old testament", this
         term implies the superseding force of the "new
         testament", not recognized as revelation by the jewish
         faith.
         pjc

               the hebrew bible is divided into three parts: 1
               the torah, "law," or pentateuch. 2 the
               prophets . . . 3 the kethubim, or the
               "writings," generally termed hagiographa. --c.
                                                  h. h. wright.
         webster 1913 suppl.
see also:
tanach torah hagiographa