LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Pacilius

Pacilius m sg (genitive Paciliī or Pacilī)
Classical[paˈkɪ.li.ʊs]Ecclesiastical[paˈt͡ʃiː.li.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularMarcus Pacilius, a Roman man mentioned by Cicero

Declension

declension
formsingularplural
nominativePacilius—
genitivePaciliī
Pacilī		—
dativePaciliō—
accusativePacilium—
ablativePaciliō—
vocativePacilī—

Origins

From Pacilus (“a Roman cognomen”) + -ius.

Quick answers

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