LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Helvidius

Helvidius m sg (genitive Helvidiī or Helvidī)
Classical[hɛɫˈwɪ.di.ʊs]Ecclesiastical[elˈviː.di.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularHelvidius Priscus, a Roman philosopher

Declension

declension
formsingularplural
nominativeHelvidius—
genitiveHelvidiī
Helvidī		—
dativeHelvidiō—
accusativeHelvidium—
ablativeHelvidiō—
vocativeHelvidī—

Helvĭdius, a,
I. the name of a Roman gens, Cic. Clu. 70, 198; Juv. 5, 36 al.

In the Academy Smith's classical dictionaries

Biography & mythologyHelvidiusHelvidius. son of the younger Helvidius Priscus [PRISCUS HELVIDIUS, 2] by his first wife. He had the title of consularis, but his name does not appear…

Quick answers

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