The term 'DISCUS' is a 6-letter disk used in throwing competitions. It is a heavy, circular object made of metal or plastic, with a flat surface on one side and a curved edge on the other. The DISCUS is thrown from a circle of 2.5 meters in diameter, and the athlete must remain within the circle until the DISCUS has landed. The DISCUS is an event featured in the Olympic Games, and is also popular in track and field competitions.