A mighty animal on four legs, two are obscured. The auroch was a mighty ox in Eurpoe that is now extinct; it sized between a modern day bison and the mammoth. Vikings prized these animals for their horns. They had many uses for them, one example would be that they would drink out of them. Caeser wrote in his Gallic Wars, the use of the aurochs hunt to iniate boys, to manhood among the Germanii. (A Roman name for a German tribe.) It also represented the norse god Ull. He was the god of achery, hunting, and winter. In german folklore, he is known as the leader of the hunt.
The runes represents raw physical power. It isn't uncommon for it to turn up in an athlete, archer, or one who is in the military. It may represent a show of force too, which unsually great for a certain individual. It normally appears as signals for an internal change of life. If the readin is with a man then it would mean his masculine powers, depending on his age. If the reading is done with a women then it would mean a man that is about to affect her life somehow, most likely in a romantic or physical way. It also refers to all of those aspects considered masculine that are still present in the female, such as athleticism. It may also refer to as abuse or overuse of power. For example if the person is an athlete they may need to change their routine in order to avoid any sport related injurys.