An arrowhead is point of an arrow, or a shape resembling such a point; as archaeological artifacts arrowheads are a subclass of projectile points.(External Link) Arrowheads are found all over the world. Archaeologically they're usually made of stone: primarily being flint, obsidian, or cherts; however in many excavations bone, wooden and metal arrowheads have been found. In North America, Arrowheads are sometimes mistakenly attributed to the Historic Period American Indians, but are actually f… (More on Arrowhead)