- (abbreviation): OPr.
- Of or pertaining to the Old Prussian language or people.
of or pertaining to the Old Prussian language or people
- An extinct Baltic language, once spoken by the Old Prussians, the indigenous peoples of the historical region of Prussia (now north-eastern Poland, the Kaliningrad Oblast of Russia and Lithuania).
the Old Prussian language
- A member of the Baltic tribe that historically inhabited Prussia; a Baltic Prussian.
member of the Baltic tribe that inhabited Prussia