LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Catilius

Catilius m sg (genitive Catiliī or Catilī)
Classical[kaˈtɪ.li.ʊs]Ecclesiastical[kaˈtiː.li.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularLucius Catilius Severus, a Roman consul

Declension

declension
formsingularplural
nominativeCatilius—
genitiveCatiliī
Catilī		—
dativeCatiliō—
accusativeCatilium—
ablativeCatiliō—
vocativeCatilī—

Cătīlĭus, a,
I. a Roman cognomen, Cic. Fam. 5, 10, 1; Plin. Ep. 1, 22.

Quick answers

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