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See also: Rattus



EB1911 - Volume 01 - Page 001 - 1.svg This entry lacks etymological information. If you are familiar with the origin of this term, please add it to the page as described here.


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

  1. (New Latin) rat

Usage notes[edit]

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


Declined as either a second or fourth declension noun.

Second declension.
Number Singular Plural
nominative rattus rattī
genitive rattī rattōrum
dative rattō rattīs
accusative rattum rattōs
ablative rattō rattīs
vocative ratte rattī
Fourth declension.
Number Singular Plural
nominative rattus rattūs
genitive rattūs rattuum
dative rattuī rattibus
accusative rattum rattūs
ablative rattū rattibus
vocative rattus rattūs