To dream you own a bull is a sign of gain. To dream you see a bull killed is a sign of affliction. To drive a bull signifies gayety. A black bull signifies deception and cheating; running, a secret divulged; at work, a fortune; drinking, a theft; without horns, peculation; fighting with another, fraternal affection. Please also see the meaning of Cattle.
Dream dictionary: bull horns dream meanings
A bull and cows horn symbolize strength, fertility and patience. A rams horn, aggressiveness. If we see the horns on the head of someone means consented love betrayal.