LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Libnius

Libnius m sg (genitive Libniī or Libnī)
Classical[ˈlɪb.ni.ʊs]Ecclesiastical[ˈlib.ni.us]

Meaning

  1. masculinesingularA river of the west coast of Ireland mentioned by Ptolemy

Declension

declension
formsingularplural
nominativeLibnius—
genitiveLibniī
Libnī
—
dativeLibniō—
accusativeLibnium—
ablativeLibniō—
vocativeLibnī—

In the Academy Smith's classical dictionaries

Quick answers

What does Libnius mean in Latin?
Libnius, a proper noun, means “A river of the west coast of Ireland mentioned by Ptolemy”.
What is the genitive of Libnius?
The genitive singular is Libniī. Libnius is masculine, second declension.
How do you pronounce Libnius?
In classical Latin, [ˈlɪb.ni.ʊs]; in ecclesiastical (church) Latin, [ˈlib.ni.us].