As you can imagine, the Celtic bull symbol represents strength and dominance. The bull is used within many different cultures and usually conveys a similar message and symbolism throughout all instances.
The bull in Celtic lore is seen to be stubborn, aggressive and strong. It also represents fertility. Bed sheets and pillows would sometimes be decorated with the Bull emblem to offer its strength in fertility.
Many Militaries and warriors throughout time have donned the symbol of the bull in a bid to give the bearer strength and courage.