\Ar"row*head`ed\, a.
Shaped like the head of an arrow; cuneiform.
{Arrowheaded characters}, characters the elements of which
   consist of strokes resembling arrowheads, nailheads, or
   wedges; -- hence called also nail-headed, wedge-formed,
   cuneiform, or cuneatic characters; the oldest written
   characters used in the country about the Tigris and
   Euphrates, and subsequently in Persia, and abounding among
   the ruins of Persepolis, Nineveh, and Babylon. See
   {Cuneiform}.