LATIN DICTIONARYLexicon Latīnum
noun · masculinesecond declension

sīrus

sīrus m (genitive sīrī)
Classical[ˈsiː.rʊs]Ecclesiastical[ˈsiː.rus]

Meaning

  1. pit for storing grain, underground granary

Declension

declension
formsingularplural
nominativesīrussīrī
genitivesīrīsīrōrum
dativesīrōsīrīs
accusativesīrumsīrōs
ablativesīrōsīrīs
vocativesīresīrī

sīrus, i, m., = σιρός,
I. a pit to keep corn in, an underground granary (cf. cumera), Plin. 18, 30, 73, § 306; Col. 1, 6, 15; Curt. 7, 4, 24; cf. Auct. B. Afr. 65; Vitr. 6, 8 (Varr. R. R. 1, 57 and 63, written as Greek).

Origins

Borrowed from Ancient Greek σιρός (sirós).

Quick answers

What does sīrus mean in Latin?
sīrus, a noun, means “pit for storing grain, underground granary”.
What is the genitive of sīrus?
The genitive singular is sīrī. sīrus is masculine, second declension.
How do you pronounce sīrus?
In classical Latin, [ˈsiː.rʊs]; in ecclesiastical (church) Latin, [ˈsiː.rus].