LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Durānius

Durānius m sg (genitive Durāniī or Durānī)
Classical[dʊˈraː.ni.ʊs]Ecclesiastical[duˈraː.ni.us]

Meaning

  1. a river in Aquitania, now the Dordogne

Declension

declension
formsingularplural
nominativeDurānius—
genitiveDurāniī
Durānī
—
dativeDurāniō—
accusativeDurānium—
ablativeDurāniō—
vocativeDurānī—

Dŭrănĭus, ii, m.,
I. a river in Gallia, now Dordogne, Auson. Idyll. 9, 464; Sidon. Carm. 22, 103.

Origins

The base dur, like the river Durius in Hispania, is from a Latinized Celtic name, from Proto-Celtic *dubros (“water”).

In the Academy Smith's classical dictionaries

Quick answers

What does Durānius mean in Latin?
Durānius, a proper noun, means “a river in Aquitania, now the Dordogne”.
What is the genitive of Durānius?
The genitive singular is Durāniī. Durānius is masculine, second declension.
How do you pronounce Durānius?
In classical Latin, [dʊˈraː.ni.ʊs]; in ecclesiastical (church) Latin, [duˈraː.ni.us].