LATIN DICTIONARYLexicon Latīnum
proper noun · masculinefirst declension

Nerva1

Nerva m sg (genitive Nervae)
Classical[ˈnɛr.wa]Ecclesiastical[ˈnɛr.va]

Meaning

  1. masculinesingularA Roman cognomen — famously held by
  2. masculinesingularNerva, a Roman emperor

Declension

declension
formsingularplural
nominativeNerva—
genitiveNervae—
dativeNervae—
accusativeNervam—
ablativeNervā—
vocativeNerva—

Nerva, ae, m.,
I. a Roman family name of the Licinii, Cocceii, and Silii. So M. Cocceius Nerva, the Roman emperor.—Hence,
II. Nervĭus, a, um, adj., of or belonging to the emperor Nerva, Nervian: miles, of the Nervian legion, Claud. B. Gild. 421.

Origins

From nervus (“sinew; vigor”).

In the Academy Smith's classical dictionaries

proper noun · femininefirst declension
Nerva2
Nerva f sg (genitive Nervae)
Classical[ˈnɛr.wa]Ecclesiastical[ˈnɛr.va]

Meaning

  1. femininesingulara small river in Hispania Tarraconensis, probably the Nervión

Declension

declension
formsingularplural
nominativeNerva—
genitiveNervae—
dativeNervae—
accusativeNervam—
ablativeNervā—
vocativeNerva—

In the Academy Smith's classical dictionaries

Quick answers

What does Nerva mean in Latin?
Nerva, a proper noun, means “A Roman cognomen — famously held by”.
What is the genitive of Nerva?
The genitive singular is Nervae. Nerva is masculine, first declension.
How do you pronounce Nerva?
In classical Latin, [ˈnɛr.wa]; in ecclesiastical (church) Latin, [ˈnɛr.va].