The Collaborative International Dictionary of English v.0.48:
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
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.]