What is the meaning of Discus?

A round plate-like object that is thrown for sport.

The athletics event of discus throw.

A discus fish (genus Symphysodon)

A chakram.

discus

a discus, quoit

a dish shaped like a discus

disc of a sundial

a plate

 table, a piece of furniture with a flat surface to eat from or write upon

Source: wiktionary.org