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 can be found all over the world. Archaeologically they are usually made of stone: primarily being flint, obsidian, or cherts; however in many excavations bone, wooden and metal arrowheads have been found. Arrowheads are attached to arrow shafts and may be fired from a bow, similar types of projectile points may be attached… (More on Arrowhead)