A fivesome is a group of five people, usually used in the context of sports or recreational activities. The term 'fivesome' can also be referred to as a 'PENTAD, ' which is a six-letter word. A fivesome is typically used in golf, where five players play together in a single game. It can also be used in other activities such as bowling, tennis, and even card games. Fivesomes are often used when playing with friends or family, as it allows for more interaction and fun.