LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Ollius1

Ollius m sg (genitive Olliī or Ollī)
Classical[ˈɔl.li.ʊs]Ecclesiastical[ˈɔl.li.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularTitus Ollius, the father of Poppaea Sabina

Declension

declension
formsingularplural
nominativeOllius—
genitiveOlliī
Ollī		—
dativeOlliō—
accusativeOllium—
ablativeOlliō—
vocativeOllī—

In the Academy Smith's classical dictionaries

GeographyOlliusOllius (Oglio), a river of Cisalpine Gaul, and one of the more considerable of the northern tributaries of the Padus. It rises in the Alps, at the foo…
proper noun · masculinesecond declension
Ollius2
Ollius m sg (genitive Olliī or Ollī)
Classical[ˈɔl.li.ʊs]Ecclesiastical[ˈɔl.li.us]

Meaning

  1. masculinesingularOne of the most important rivers of Gallia Cisalpina that flows into the Padus, now the Oglio

Declension

declension
formsingularplural
nominativeOllius—
genitiveOlliī
Ollī		—
dativeOlliō—
accusativeOllium—
ablativeOlliō—
vocativeOllī—

In the Academy Smith's classical dictionaries

GeographyOlliusOllius (Oglio), a river of Cisalpine Gaul, and one of the more considerable of the northern tributaries of the Padus. It rises in the Alps, at the foo…

Quick answers

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