hero of alexandria is a noun meaning "Greek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century)". It carries one recorded sense.
Greek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century)
Definitions, synonyms and semantic relations for hero of alexandria come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.