Discus

имя существительное [латинский язык, множественное число] discuses, disci; [спорт] 1) диск Например: to throw the discus — бросать, метать диск 2) метание диска (вид спорта)

Большой англо-русский словарь

Discus

noun (plural discuses) Etymology: Latin — more at dish a heavy disk (as of wood or plastic) that is thicker in the center than at the perimeter and that is hurled for distance as a track-and-field event; also the event

Merriam-Webster's Collegiate Dictionary