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Perfect passive participle of rōdō (gnaw, eat away).


rōsus m (feminine rōsa, neuter rōsum); first/second declension

  1. gnawed, eaten away, having been gnawed.


First/second declension.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
nominative rōsus rōsa rōsum rōsī rōsae rōsa
genitive rōsī rōsae rōsī rōsōrum rōsārum rōsōrum
dative rōsō rōsō rōsīs
accusative rōsum rōsam rōsum rōsōs rōsās rōsa
ablative rōsō rōsā rōsō rōsīs
vocative rōse rōsa rōsum rōsī rōsae rōsa



  • rosus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • rosus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • du Cange, Charles (1883), “rosus”, in G. A. Louis Henschel, Pierre Carpentier, Léopold Favre, editors, Glossarium Mediæ et Infimæ Latinitatis (in Latin), Niort: L. Favre
  • rosus in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français [Illustrated Latin-French Dictionary], Hachette