The term 'Bull Event' is a type of competition in which a bull is tested for its strength and agility. The event usually involves a series of obstacles that the bull must navigate, such as jumps, gates, and other obstacles. The bull's performance is judged by a panel of judges, and the winner is determined based on the bull's performance. The term 'TRIAL' is a five-letter word that is often used to describe this type of event.