- a circular disk more than 7 inches (18 centimeters) in diameter and 2.2 pounds (1 kilogram) in weight, usually wooden with a metal rim and thicker in the center than at the edge, for throwing for distance in athletic competition.
- the sport of throwing this disk for distance.
- (originally) a circular stone or plate used in throwing competitions by the ancient Greeks
- athletics
- a similar disc-shaped object with a heavy middle thrown by athletes
- (as modifier)
- the event or sport of throwing the discus
- a South American cichlid fish, Symphysodon discus, that has a compressed coloured body and is a popular aquarium fish
