LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

sīmus

sīmus (feminine sīma, neuter sīmum)
Classical[ˈsiː.mʊs]Ecclesiastical[ˈsiː.mus]

Meaning

  1. adjectivesnub-nosed
  2. adjectiveflattened, splayed

Declension

singular
formmasculinefeminineneuter
nominativesīmussīmasīmum
genitivesīmīsīmaesīmī
dativesīmōsīmaesīmō
accusativesīmumsīmamsīmum
ablativesīmōsīmāsīmō
vocativesīmesīmasīmum
plural
formmasculinefeminineneuter
nominativesīmīsīmaesīma
genitivesīmōrumsīmārumsīmōrum
dativesīmīssīmīssīmīs
accusativesīmōssīmāssīma
ablativesīmīssīmīssīmīs
vocativesīmīsīmaesīma

sīmus, a, um, adj., = σιμός,
I. flat-nosed, snub-nosed (cf. silus).
1. Lit.: avibus, serpentibus, piscibus, foramina tantum ad olfactus sine naribus, et hinc cognomina Simorum, Plin. 11, 37, 59, § 158: pecus Nerei, i. e. dolphins, Liv. Andron. ap. Non. 335, 22 (Trag. Rel. p. 1 Rib.); cf.: rostrum delphini, Plin. 9, 8, 7, § 23: capellae, Verg. E. 10, 7: puer simā nare, Mart. 6, 39, 8; Cels. 8, 10, 7.—
2. Trop., Verg. M. 107.

Origins

Borrowed from Ancient Greek σιμός (simós).

Quick answers

What does sīmus mean in Latin?
sīmus, a adjective, means “snub-nosed; flattened, splayed”.
How do you pronounce sīmus?
In classical Latin, [ˈsiː.mʊs]; in ecclesiastical (church) Latin, [ˈsiː.mus].