LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Naissus

Naissus m sg (genitive Naissī)
Classical[naˈɪs.sʊs]Ecclesiastical[naˈis.sus]

Meaning

  1. masculinesingularA city of Moesia and birthplace of the emperor Constantine, now Niš

Declension

declension
formsingularplural
nominativeNaissus—
genitiveNaissī—
dativeNaissō—
accusativeNaissum—
ablativeNaissō—
vocativeNaisse—
locativeNaissī—

In the Academy Smith's classical dictionaries

Quick answers

What does Naissus mean in Latin?
Naissus, a proper noun, means “A city of Moesia and birthplace of the emperor Constantine, now Niš”.
What is the genitive of Naissus?
The genitive singular is Naissī. Naissus is masculine, second declension.
How do you pronounce Naissus?
In classical Latin, [naˈɪs.sʊs]; in ecclesiastical (church) Latin, [naˈis.sus].