LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Cupiennius

Cupiennius m sg (genitive Cupienniī or Cupiennī)
Classical[kʊ.piˈɛn.ni.ʊs]Ecclesiastical[ku.piˈɛn.ni.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularGaius Cupiennius, a friend of Cicero

Declension

declension
formsingularplural
nominativeCupiennius—
genitiveCupienniī
Cupiennī		—
dativeCupienniō—
accusativeCupiennium—
ablativeCupienniō—
vocativeCupiennī—

Cŭpĭennĭus, ii, m.,
I. a Roman proper name, Cic. Att. 16, 16, 14.

Quick answers

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