LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Acerrōnius

Acerrōnius m sg (genitive Acerrōniī or Acerrōnī)
Classical[a.kɛrˈroː.ni.ʊs]Ecclesiastical[a.t͡ʃerˈrɔː.ni.us]

Meaning

  1. a Roman nomen gentile, gens or "family name" famously held by
  2. Gnaeus Acerronius Proculus, a Roman consul

Declension

declension
formsingularplural
nominativeAcerrōnius—
genitiveAcerrōniī
Acerrōnī		—
dativeAcerrōniō—
accusativeAcerrōnium—
ablativeAcerrōniō—
vocativeAcerrōnī—

Quick answers

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