LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Aristius

Aristius m sg (genitive Aristiī or Aristī)
Classical[aˈrɪs.ti.ʊs]Ecclesiastical[aˈris.ti.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularAristius Fuscus, a Roman poet, rhetorician and grammarian

Declension

declension
formsingularplural
nominativeAristius—
genitiveAristiī
Aristī		—
dativeAristiō—
accusativeAristium—
ablativeAristiō—
vocativeAristī—

Ăristĭus, a, um, adj.,
I. name of a Roman gens, e. g. Aristius Fuscus, a learned poet, rhetorician, and grammarian, and an intimate friend of Horace, Hor. Ep. 1, 10 Schmid; id. C. 1, 22; id. S. 1, 9, 61; cf. id. ib. 1, 10, 83, and Bähr, Gesch. d. Röm. Lit. 52, n. 7; Teuffel, Röm. Lit. § 249, 1.

Quick answers

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