LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Cestius

Cestius m sg (genitive Cestiī or Cestī)
Classical[ˈkɛs.ti.ʊs]Ecclesiastical[ˈt͡ʃɛs.ti.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularLucius Cestius Pius, a Roman rhetorician

Declension

declension
formsingularplural
nominativeCestius—
genitiveCestiī
Cestī
—
dativeCestiō—
accusativeCestium—
ablativeCestiō—
vocativeCestī—

Cestĭus, ĭi, m.,
I. the name of a Roman plebeian family.
I. C. Cestius, Cic. Phil. 3, 10, 26.—
II. L. Cestius Pius, a rhetorician of Smyrna, Sen. Contr. 3, prooem. p. 206, 3 al.—Hence, Cestĭānus, a, um, adj., of or belonging to L. Cestius: color, Sen. Contr. 1, 7, p. 125.

In the Academy Smith's classical dictionaries

Quick answers

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