- a former province in NE Germany: an enclave separated from Germany by the Polish Corridor; now divided between Poland and the Russian Federation. 14,283 sq. mi. (36,993 sq. km). Capital: Königsberg.
German Ost·preus·sen [awst-proi-suh n] /ˌɔstˈprɔɪ sən/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the German name for East Prussia
- a former province of NE Germany on the Baltic Sea: separated in 1919 from the rest of Germany by the Polish Corridor and Danzig: in 1945 Poland received the south part, the Soviet Union the northGerman name: Ostpreussen (ostˈprɔysən)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012