LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Tarquitius

Tarquitius m sg (genitive Tarquitiī or Tarquitī)
Classical[tarˈkʷɪ.ti.ʊs]Ecclesiastical[tarˈkʷit.t͡si.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularQuintus Tarquitius Catulus, a Roman governor

Declension

declension
formsingularplural
nominativeTarquitius—
genitiveTarquitiī
Tarquitī
—
dativeTarquitiō—
accusativeTarquitium—
ablativeTarquitiō—
vocativeTarquitī—

Tarquĭtĭus, ii, m.,
I. an Etruscan proper name; so esp. the Etruscan Tarquitius, who wrote on divination, Macr. S. 3, 7, 2; Lact. 1, 10, 2; Plin. ind. libri 2.—Hence, Tar-quĭtĭānus, a, um, adj., of Tarquitius: libri, Amm. 25, 2, 7.

Origins

Probably from Etruscan [Term?].

In the Academy Smith's classical dictionaries

Quick answers

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