LATIN DICTIONARYLexicon Latīnum
noun · masculinesecond declension

cossus1

cossus m (genitive cossī)

Meaning

  1. masculinewoodworm (worm or grub found in wood)

Declension

declension
formsingularplural
nominativecossuscossī
genitivecossīcossōrum
dativecossōcossīs
accusativecossumcossōs
ablativecossōcossīs
vocativecossecossī

cossus, i, m.,
I. a kind of larva under the bark of trees, Plin. 11, 33, 38, § 113; 17, 24, 37, § 220; 30, 13, 39, § 115.

Origins

Uncertain; proposed derivations include: * From a root common to Ancient Greek σκίδνημι (skídnēmi, “to disperse”) and Lithuanian kedeti (“to burst”). * From Proto-Indo-European *(s)ker- (“to cut”). Cognates include cortex (“bark”) and Ancient Greek κείρω (keírō, “to cut off”). * From Proto-Indo-European *ḱes- (“to cut”), with the possible cognate careō (“to lack”).

Descendants
  • Italiancosso
  • Romaniancoș
  • Spanishcoso
  • Spanishcojijo
  • Spanishgusano
  • Albaniankoshëz
  • Asturiancosu
  • Asturiancoxíu
  • Asturianguxán
  • Friuliancos
proper noun · masculinesecond declension
Cossus2
Cossus m sg (genitive Cossī)
Classical[ˈkɔs.sʊs]Ecclesiastical[ˈkɔs.sus]

Meaning

  1. masculinesingularA Roman cognomen — famously held by
  2. masculinesingularAulus Cornelius Cossus, a Roman consul

Declension

declension
formsingularplural
nominativeCossus—
genitiveCossī—
dativeCossō—
accusativeCossum—
ablativeCossō—
vocativeCosse—

Cossus, i, m.,
I. a surname in the gens Cornelia (cf. Paul. ex Fest. p. 41, 9 Müll.); so esp. the military tribune in the war with the Veientes, A. Cornelius Cossus, Liv. 4, 19, 1 sq.; and id. 4, 30, 4 sqq.; Verg. A. 6, 841; Juv. 8, 21 al.

Origins

From cossus (“woodworm”).

In the Academy Smith's classical dictionaries

Quick answers

What does cossus mean in Latin?
cossus, a noun, means “woodworm (worm or grub found in wood)”.
What is the genitive of cossus?
The genitive singular is cossī. cossus is masculine, second declension.