LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Orbilius

Orbilius m sg (genitive Orbiliī or Orbilī)
Classical[ɔrˈbɪ.li.ʊs]Ecclesiastical[orˈbiː.li.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularLucius Orbilius Pupillus, a Roman grammarian

Declension

declension
formsingularplural
nominativeOrbilius—
genitiveOrbiliī
Orbilī		—
dativeOrbiliō—
accusativeOrbilium—
ablativeOrbiliō—
vocativeOrbilī—

Orbĭlĭus, i, m.,
I. the name of a Roman gens. So, Orbilius, a grammarian in Rome in the time of Cicero, Hor. Ep. 2, 1, 71; Suet. Gram. 9.

Origins

Ultimately from orbus (“bereaved”).

Quick answers

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