LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Nummius

Nummius m sg (genitive Nummiī or Nummī)
Classical[ˈnʊm.mi.ʊs]Ecclesiastical[ˈnum.mi.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularMarcus Nummius Tuscus, a Roman consul

Declension

declension
formsingularplural
nominativeNummius—
genitiveNummiī
Nummī
—
dativeNummiō—
accusativeNummium—
ablativeNummiō—
vocativeNummī—

In the Academy Smith's classical dictionaries

Quick answers

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