LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Haius

Haius m sg (genitive Haiī or Haī)
Classical[ˈhaj.jʊs]Ecclesiastical[ˈaː.jus]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularGnaeus Haius Diadumenianus, a Roman procurator of Mauretania

Declension

declension
formsingularplural
nominativeHaius—
genitiveHaiī
Haī		—
dativeHaiō—
accusativeHaium—
ablativeHaiō—
vocativeHaī—

Quick answers

What does Haius mean in Latin?
Haius, a proper noun, means “a Roman nomen gentile, gens or "family name" famously held by”.
What is the genitive of Haius?
The genitive singular is Haiī. Haius is masculine, second declension.
How do you pronounce Haius?
In classical Latin, [ˈhaj.jʊs]; in ecclesiastical (church) Latin, [ˈaː.jus].