pluraliter

From plūrālis +‎ -ter.

plūrāliter (not comparable)

1. (grammar) in the plural
   • c. 65 CE, Seneca the Younger, Naturales quaestiones II.56,1:

     Tonitrua nos pluraliter dicimus; antiqui autem tonitruum dixerunt aut tonum.

     We use the word thunder in the plural, but our forefathers used it in the singular or called it tonum.

• “pluraliter”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “pluraliter”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.