LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Nigidius

Nigidius m sg (genitive Nigidiī or Nigidī)
Classical[nɪˈɡɪ.di.ʊs]Ecclesiastical[niˈd͡ʒiː.di.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularPublius Nigidius Figulus, a Roman praetor

Declension

declension
formsingularplural
nominativeNigidius—
genitiveNigidiī
Nigidī		—
dativeNigidiō—
accusativeNigidium—
ablativeNigidiō—
vocativeNigidī—

Nĭgĭdĭus, ii, m.:
I. P. Nigidius Figulus, a celebrated Roman scholar, a contemporary of Cicero and Cæsar, the composer of several grammatical works, Gell. 19, 14, 1; cf. id. 4, 9, 1 sqq.—Hence,
II. Nĭgĭdĭānus, a, um, adj., of Nigidius: commentationes, Gell. 18, 4, 11; 19, 14, 3.

Quick answers

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