LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Menēnius1

Menēnius m sg (genitive Menēniī or Menēnī)
Classical[mɛˈneː.ni.ʊs]Ecclesiastical[meˈnɛː.ni.us]

Meaning

  1. a Roman nomen gentile, gens or "family name" famously held by
  2. Agrippa Menenius Lanatus, a Roman consul

Declension

declension
formsingularplural
nominativeMenēnius—
genitiveMenēniī
Menēnī
—
dativeMenēniō—
accusativeMenēnium—
ablativeMenēniō—
vocativeMenēnī—

Mĕnēnĭus,
I. name of a Roman gens. Its most celebrated member was Menenius Agrippa, who told the people the fable of the belly and the limbs, Liv. 2, 16, 7; 2, 32, 8; 2, 33, 10.—Another Menenius in the time of Horace, noted as a foolish person, Hor. S. 2, 3, 287.—
II. Hence,
A. Mĕnēnĭus, a, um, adj., Menenian: tribus, a Roman tribe, Cic. Fam. 13, 9, 2.—
B. Mĕnēnĭānus, a, um, adj., of or belonging to Menenius, Menenian: judicium, i. e. of Menenius Agrippa, Liv. 2, 52, 8.
adjectivefirst/second-declension adjective
Menēnius2
Menēnius (feminine Menēnia, neuter Menēnium)
Classical[mɛˈneː.ni.ʊs]Ecclesiastical[meˈnɛː.ni.us]

Meaning

  1. adjectiveof or pertaining to the gens Menenia.

Declension

singular
formmasculinefeminineneuter
nominativeMenēniusMenēniaMenēnium
genitiveMenēniīMenēniaeMenēniī
dativeMenēniōMenēniaeMenēniō
accusativeMenēniumMenēniamMenēnium
ablativeMenēniōMenēniāMenēniō
vocativeMenēnieMenēniaMenēnium
plural
formmasculinefeminineneuter
nominativeMenēniīMenēniaeMenēnia
genitiveMenēniōrumMenēniārumMenēniōrum
dativeMenēniīsMenēniīsMenēniīs
accusativeMenēniōsMenēniāsMenēnia
ablativeMenēniīsMenēniīsMenēniīs
vocativeMenēniīMenēniaeMenēnia

Quick answers

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