LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Atius

Atius m sg (genitive Atiī or Atī)
Classical[ˈa.ti.ʊs]Ecclesiastical[ˈat.t͡si.us]
Atiō sg. dat.; sg. abl.

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularMarcus Atius Balbus, a Roman praetor

Declension

declension
formsingularplural
nominativeAtius—
genitiveAtiī
Atī		—
dativeAtiō—
accusativeAtium—
ablativeAtiō—
vocativeAtī—

Ătĭus, a, um, adj.,
I. name of a Roman gens., e. g. M. Atius Balbus, etc., and ătĭa, ae, f., the daughter of Atius Balbus, and mother of Augustus, Suet. Aug. 4 and 94; cf. Atys.

In the Academy Smith's classical dictionaries

Biography & mythologyAtiusAtius. 2. C. Atius, the Pelignian, belonged to the Pompeian party, and had possession of Sulmo, when Caesar invaded Italy, B. C. 49. Caesar despatched…

Quick answers

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