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 is a 9 letter word that starts with C.

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}.