East Prussia

geographical name

Definition of East Prussia

region of northern Europe bordering on the Baltic Sea east of Pomerania; formerly a province of Prussia; for a time (1919–39) separated from the rest of Prussia by the Polish Corridor; divided in 1945 between Poland and the U.S.S.R. (Russia and Lithuania)

Learn More about east prussia


Seen and Heard

What made you want to look up East Prussia? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!