Japanese arrowheads of several shapes and functions

An arrowhead is point of an arrow, or a shape resembling such a point. Archived 2010-03-11 at the Wayback Machine

Arrowheads are found all over the United States. Archaeologically they are usually made of stone: primarily being flint, obsidian, or chert; but in many excavations bone, wooden and metal arrowheads have been found.