LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Sīlius

Sīlius m sg (genitive Sīliī or Sīlī)
Classical[ˈsiː.li.ʊs]Ecclesiastical[ˈsiː.li.us]

Meaning

  1. a Roman nomen gentilicium

Declension

declension
formsingularplural
nominativeSīlius—
genitiveSīliī
Sīlī
—
dativeSīliō—
accusativeSīlium—
ablativeSīliō—
vocativeSīlī—

Sīlĭus, i, m.,
I. the name of a Roman gens.
1. P. Silius Nerva, a proprœtor in Bithynia and Pontus, to whom are addressed the letters Cic. Fam. 13, 47, and 61 sqq.; cf. id. Att. 10, 13, 3.—
2. T. Silius, a military tribune under Cœsar, Caes. B. G. 3, 7 fin.—
3. C. Silius Italicus, a celebrated Roman poet in the latter half of the first century of the Christian era, author of a poem still extant, called Punica, Plin. Ep. 3, 7; Mart. 4, 14, 1; v. Bähr, Röm. Lit. 9, § 63 sq.—Hence, Sīlĭānus, a, um, adj., of or belonging to a Silius, Silian: villa, negotium, Cic. Att. 12, 27; cf. id. ib. 12, 31.

In the Academy Smith's classical dictionaries

Quick answers

What does Sīlius mean in Latin?
Sīlius, a proper noun, means “a Roman nomen gentilicium”.
What is the genitive of Sīlius?
The genitive singular is Sīliī. Sīlius is masculine, second declension.
How do you pronounce Sīlius?
In classical Latin, [ˈsiː.li.ʊs]; in ecclesiastical (church) Latin, [ˈsiː.li.us].