discus

[dis-kuh s] /ˈdɪs kəs/
noun, plural discuses, disci
[dis-ahy] /ˈdɪs aɪ/ (Show IPA)
1.
a circular disk more than 7 inches (18 cm) in diameter and 2.2 pounds (1 kg) in weight, usually wooden with a metal rim and thicker in the center than at the edge, for throwing for distance in athletic competition.
2.
the sport of throwing this disk for distance.
Origin
1650-60; < Latin < Greek dískos a quoit, discus, disk, derivative of diskeîn to throw
Can be confused
discus, discuss.
Examples from the web for discus
  • Close by are a diamond-encrusted conch shell and discus, his traditional accessories.
  • We see a group of three, their round, discus-style dorsal fins splitting the water in a staccato pace.
British Dictionary definitions for discus

discus

/ˈdɪskəs/
noun (pl) discuses, disci (ˈdɪskaɪ)
1.
(originally) a circular stone or plate used in throwing competitions by the ancient Greeks
2.
(athletics)
  1. a similar disc-shaped object with a heavy middle thrown by athletes
  2. (as modifier): a discus thrower
3.
the discus, the event or sport of throwing the discus
4.
a South American cichlid fish, Symphysodon discus, that has a compressed coloured body and is a popular aquarium fish
Word Origin
C17: from Latin, from Greek diskos from dikein to throw
Word Origin and History for discus
n.

1650s, from Latin discus "discus, disk," from Greek diskos "disk, quoit, platter."

discus in Medicine

discus dis·cus (dĭs'kəs)
n. pl. dis·ci (dĭs'kī', dĭs'ī')
A flat circular surface; a disk.