discus

1. (uncountable, athletics) The athletics event of discus throw.Examples: "For two years Templeton has given individual attention to Krenz. The young man has reciprocated by giving at least two hours each day to practice in the shot and discus."; "And Chris Martin took a silver medal in the discus on the opening day in the Bird's Nest, […]"uncountable

2. (plural: discus) A discus fish (genus Symphysodon)Examples: "The main body of the Amazon River is too fast, too deep, and too silt laden for discus."plural

3. (rare, dated) A chakram.Examples: "And Narayana instantly cut off with his discus the well-adorned head of the Danava who was drinking the Amrita without permission."; "If with a discus with an edge sharp as a razor he should make all the living creatures on the earth one heap, one mass, of flesh, […]"datedrare