- [countable]
a heavy flat round object thrown in a sporting event 铁饼（体育运动用品） 
She hurled the discus across the field. 她把铁饼扔过田野。
- often the discus[singular]
the event or sport of throwing a discus as far as possible 掷铁饼；掷铁饼比赛 He regained his discus title after a few years. 几年后，他重新获得铁饼冠军。 Her foot landed outside the discus circle and she was disqualified. 她的脚落在铁饼圈外，没有资格参加比赛。
Word Originvia Latin from Greek diskos.