LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Obsidius

Obsidius m sg (genitive Obsidiī or Obsidī)
Classical[ɔpˈsɪ.di.ʊs]Ecclesiastical[obˈsiː.di.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name"

Declension

declension
formsingularplural
nominativeObsidius—
genitiveObsidiī
Obsidī		—
dativeObsidiō—
accusativeObsidium—
ablativeObsidiō—
vocativeObsidī—

Obsĭdĭus, ĭi, m.,
I. a Roman surname, Flor. 1, 18, 7.

In the Academy Smith's classical dictionaries

Biography & mythologyObsidiusObsidius. 1. The commander of a Frentanian troop of horse, serving under the consul Laevinus in the campaign against Pyrrhus B. C. 280, distinguished …

Quick answers

What does Obsidius mean in Latin?
Obsidius, a proper noun, means “a Roman nomen gentile, gens or "family name"”.
What is the genitive of Obsidius?
The genitive singular is Obsidiī. Obsidius is masculine, second declension.
How do you pronounce Obsidius?
In classical Latin, [ɔpˈsɪ.di.ʊs]; in ecclesiastical (church) Latin, [obˈsiː.di.us].