LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Apōnius

Apōnius m sg (genitive Apōniī or Apōnī)
Classical[aˈpoː.ni.ʊs]Ecclesiastical[aˈpɔː.ni.us]

Meaning

  1. a Roman nomen gentile, gens or "family name" famously held by
  2. Marcus Aponius Saturninus, a Roman praetor

Declension

declension
formsingularplural
nominativeApōnius—
genitiveApōniī
Apōnī		—
dativeApōniō—
accusativeApōnium—
ablativeApōniō—
vocativeApōnī—

Quick answers

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