1. [n]  an ancient wedge-shaped script used in Mesopotamia and Persia
2. [adj]  (anatomy) of or relating to the tarsal bones (or other wedge-shaped bones)
3. [adj]  shaped like a wedge

Cuneiform
The cuneiform writing system flourished in the Near East from before 3000 B. C. to 75 A. D. This book surveys the development of the script from the earliest pictograph signs to the latest astronomical tables and the process by which it came to be used for writing many different Near Eastern languages.

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1. \Cu*ne"i*form\ (k?-n?"?-f?rm), Cuniform \Cu"ni*form\
   (k?"n?-f?rm), a. [L. cuneus a wedge + -form: cf. F.
   cunei-forme. See {Coin}.]
   1. Wedge-shaped; as, a cuneiform bone; -- especially applied
      to the wedge-shaped or arrowheaded characters of ancient
      Persian and Assyrian inscriptions. See {Arrowheaded}.
   2. Pertaining to, or versed in, the ancient wedge-shaped
      characters, or the inscriptions in them. ``A cuneiform
      scholar.'' --Rawlinson.
   

2. \Cu*ne"i*form\, Cuniform \Cu"ni*form\, n.
   1. The wedge-shaped characters used in ancient Persian and
      Assyrian inscriptions. --I. Taylor (The Alphabet).
   2. (Anat.)
      (a) One of the three tarsal bones supporting the first,
          second third metatarsals. They are usually designated
          as external, middle, and internal, or {ectocuniform},
          {mesocuniform}, and {entocuniform}, respectively.
      (b) One of the carpal bones usually articulating with the
          ulna; -- called also {pyramidal} and {ulnare}.