The term STAG'S HORN is a 6-letter crossword solution and is another name for an ANTLER. Antlers are the large, branching bony structures that grow on the heads of male deer and other members of the Cervidae family. They are made of bone and are a single structure, not multiple bones fused together. Antlers are shed and regrown each year and are used primarily for display and as weapons in fights between males.