LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Cadius

Cadius m sg (genitive Cadiī or Cadī)
Classical[ˈka.di.ʊs]Ecclesiastical[ˈkaː.di.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name", famously held by
  2. masculinesingularCadius Rufus, a Roman man killed by Agrippina

Declension

declension
formsingularplural
nominativeCadius—
genitiveCadiī
Cadī		—
dativeCadiō—
accusativeCadium—
ablativeCadiō—
vocativeCadī—

Quick answers

What does Cadius mean in Latin?
Cadius, a proper noun, means “a Roman nomen gentile, gens or "family name", famously held by”.
What is the genitive of Cadius?
The genitive singular is Cadiī. Cadius is masculine, second declension.
How do you pronounce Cadius?
In classical Latin, [ˈka.di.ʊs]; in ecclesiastical (church) Latin, [ˈkaː.di.us].