LATIN DICTIONARYLexicon Latīnum
noun · neuterthird declension

caelestia

caelestia n pl (genitive caelestium)

Meaning

  1. neuterpluralthe heavenly bodies, heavenly objects, divine things
  2. neuterpluralcelestial bodies, celestial things
    De his eandem fere, quam reliquae gentes, habent opinionem: Apollinem morbos depellere, Minervam operum atque artificiorum initia tradere, Iovem imperium caelestium tenere, Martem bella regere.respecting these deities they have for the most part the same belief as other nations: that Apollo averts diseases, that Minerva imparts the invention of manufactures, that Jupiter possesses the sovereignty of the heavenly powers; that Mars presides over wars.c. 52 BCE, Julius Caesar, Commentarii de bello Gallico 6.17

Declension

declension
formsingularplural
nominative—caelestia
genitive—caelestium
dative—caelestibus
accusative—caelestia
ablative—caelestibus
vocative—caelestia

Quick answers

What does caelestia mean in Latin?
caelestia, a noun, means “the heavenly bodies, heavenly objects, divine things; celestial bodies, celestial things”.
What is the genitive of caelestia?
The genitive singular is caelestium. caelestia is neuter, third declension.