rattus

See also: Rattus

Latin

Alternative forms

• ratus

Etymology

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

Noun

rattus m (variously declined, genitive rattī or rattūs); second declension, fourth declension

1. (Medieval Latin) rat

Usage notes

In Classical Latin, the word mūs was applied to both mice and rats without distinction.

Inflection

Declined as either a second or fourth declension noun.

Second declension. Case Singular Plural Nominative rattus rattī Genitive rattī rattōrum Dative rattō rattīs Accusative rattum rattōs Ablative rattō rattīs Vocative ratte rattī

Fourth declension. Case Singular Plural Nominative rattus rattūs Genitive rattūs rattuum Dative rattuī rattibus Accusative rattum rattūs Ablative rattū rattibus Vocative rattus rattūs

Descendants

• Translingual: Rattus, Rattus rattus

References

• rattus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
  ratus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
  [note: du Cange has only second declension forms and no fourth declension form]