LATIN DICTIONARYLexicon Latīnum
proper noun · masculinethird declension

Auser

Auser m sg (genitive Auseris)
Classical[ˈau̯.sɛr]Ecclesiastical[ˈaːu̯.ser]

Meaning

  1. masculinesingulara river in Etruria near Lucca, now Serchio.

Declension

declension
formsingularplural
nominativeAuser—
genitiveAuseris—
dativeAuserī—
accusativeAuserem—
ablativeAusere—
vocativeAuser—

Auser, ĕris (Ausar, Rutil. Itin. 1, 566), m., = Αὐσαρ (Strabo),
I. a tributary stream of the river Arno, in Etruria, near Lucca, now Serchio, Plin. 3, 5, 8, § 50; cf. Mann. Ital. I. p. 350.

In the Academy Smith's classical dictionaries

GeographyAuserAuser or AUSAR (Αἴσαρ, Strab.: Serchio), a considerable river of Etruria, rising in the Apennines on the borders of Liguria, and flowing near the city…

Quick answers

What does Auser mean in Latin?
Auser, a proper noun, means “a river in Etruria near Lucca, now Serchio.”.
What is the genitive of Auser?
The genitive singular is Auseris. Auser is masculine, third declension.
How do you pronounce Auser?
In classical Latin, [ˈau̯.sɛr]; in ecclesiastical (church) Latin, [ˈaːu̯.ser].