The best-known use of pucks is in ice hockey, a major international sport. A hockey puck has also been referred to as a "Flat Ball." Ice hockey and its various precursor games utilized balls until the late 19th century.

What is a puck?

1 archaic : an evil spirit : demon. 2 : a mischievous sprite : hobgoblin specifically, capitalized : robin goodfellow. puck.

What is the purpose of a hockey puck?

Most sports across the globe use some type of a ball but the game of ice hockey uses a puck as it's designed to slide across the ice. With the average NHL game going through a dozen pucks it's easy to see why fans and players take these small black discs for granted.