LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

cornum1

cornum n (genitive cornī)

Meaning

  1. neuterhorn (all senses)
  2. neuterhoof
  3. neuterbeak, tusk, claw

Latīnē defined in Latin in our graded readers

Declension

declension
formsingularplural
nominativecornumcorna
genitivecornīcornōrum
dativecornōcornīs
accusativecornumcorna
ablativecornōcornīs
vocativecornumcorna

cornum, i, n. 1. cornus,
I. the cornelcherry, Verg. G. 2, 34; id. A. 3, 649; Hor. Ep. 1, 16, 9; Ov. M. 1, 105; 8, 665; 13, 816; Col. 12, 10, 3.—*
II. = 1. cornus, II., Ov. M. 8, 408.

Origins

Either from Proto-Indo-European *ḱr̥h₂-nó-m, cognate with Proto-Germanic *hurną, from Proto-Indo-European *ḱerh₂- (“horn”), or a by-form of the synonym cornū from the same root.

noun · neutersecond declension
cornum2
cornum n (genitive cornī)

Meaning

  1. neutercornel cherry, cornelian cherry

Declension

declension
formsingularplural
nominativecornumcorna
genitivecornīcornōrum
dativecornōcornīs
accusativecornumcorna
ablativecornōcornīs
vocativecornumcorna

cornum, i, v. cornu
I. init.

Origins

Neuter fruit name from the same root as the tree name cornus (“cornel”).

Quick answers

What does cornum mean in Latin?
cornum, a noun, means “horn (all senses); hoof; beak, tusk, claw”.
What is the genitive of cornum?
The genitive singular is cornī. cornum is neuter, second declension.