Arrowheaded

Ar´row`head`ed

a.

1.

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.

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.