LATIN DICTIONARYLexicon Latīnum
noun · masculinevariously declined, second declension, fourth declension

rattus

rattus m (genitive rattī or rattūs)

Meaning

  1. Medieval Latinrat

Declension

declension
formsingularplural
nominativerattusrattī
rattūs, ratī
genitiverattī
rattūs, ratī		rattōrum
rattuum, ratōrum
dativerattō
rattuī, ratō		rattīs
rattibus, ratīs
accusativerattum
ratum		rattōs
rattūs, ratōs
ablativerattō
rattū, ratō		rattīs
rattibus, ratīs
vocativeratte
rattus, rate		rattī
rattūs, ratī

Origins

Borrowed from a Germanic language, ultimately from Proto-Germanic *rattaz (“rat”).

Descendants
  • Catalanrata
  • Italianratto
  • Frenchratfrom Old French rat
  • Portugueserato
  • Spanishrata
  • Spanishrato
  • Spanishratón
  • Aragoneserato
  • Asturianratu
  • Galicianrato

Quick answers

What does rattus mean in Latin?
rattus, a noun, means “rat”.
What is the genitive of rattus?
The genitive singular is rattī. rattus is masculine, variously declined, second declension, fourth declension.