say it: DI-skuhs
discus is a noun meaning "an athletic competition in which a disk-shaped object is thrown as far as possible". It carries 2 recorded senses.
an athletic competition in which a disk-shaped object is thrown as far as possible
a disk used in throwing competitions
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for discus come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.