LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

cētāceum

cētāceum n (genitive cētāceī)
Classical[keːˈtaː.ke.ũː]Ecclesiastical[t͡ʃeˈtaː.t͡ʃe.um]

Meaning

  1. cetacean (Cetacea)
    Os tympanicum in Cetaceis magnum est, eburneae fere duritiei, et ossi petroso tantum cartilagine interposita junctum (d).The tympanic bone in Cetaceans is large, almost as hard as ivory, and connected to the petrous bone only by intervening cartilage (d).1864, Jan van der Hoeven, Philosophia Zoologica, E. J. Brill, page 176:

Declension

declension
formsingularplural
nominativecetāceumcetācea
genitivecetāceīcetāceōrum
dativecetāceōcetāceīs
accusativecetāceumcetācea
ablativecetāceōcetāceīs
vocativecetāceumcetācea

Origins

Borrowed from translingual Cetacea.

Quick answers

What does cētāceum mean in Latin?
cētāceum, a noun, means “cetacean (Cetacea)”.
What is the genitive of cētāceum?
The genitive singular is cētāceī. cētāceum is neuter, second declension.
How do you pronounce cētāceum?
In classical Latin, [keːˈtaː.ke.ũː]; in ecclesiastical (church) Latin, [t͡ʃeˈtaː.t͡ʃe.um].