What does Cominius mean in Latin?

Cominius, a proper noun, means “a Roman nomen gentile, gens or "family name" famously held by”.

What is the genitive of Cominius?

The genitive singular is Cominiī. Cominius is masculine, second declension.

In classical Latin, [kɔˈmɪ.ni.ʊs]; in ecclesiastical (church) Latin, [koˈmiː.ni.us].

proper noun · masculinesecond declension

Cominius m sg (genitive Cominiī or Cominī)

Classical[kɔˈmɪ.ni.ʊs]Ecclesiastical[koˈmiː.ni.us]

Cominius, ii, m.,

I. a Roman proper name, Cic. Clu. 36, 99; id. Brut 78, 271; Cic. Verr. 2, 4, 10, § 24.

cominius, v. colminiana.

The gens is of Italic/Auruncan origin; see Cominia for more.