say it: SAHY-ruhs
cyrus is a noun meaning "Persian prince who was defeated in battle by his brother Artaxerxes II (424-401 BC)". It carries one recorded sense.
Persian prince who was defeated in battle by his brother Artaxerxes II (424-401 BC)
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 cyrus 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.