Source : Webster's Revised Unabridged Dictionary (1913)

Cuneal \Cu"ne*al\ (k?"n?-a]/>l), [L. cuneus a wege. See {Coin}.]
   Relating to a wedge; wedge-shaped.

Source : WordNet®

cuneal
     adj : shaped like a wedge [syn: {wedge-shaped}, {cuneiform}]