the strip of land through E Pomerania providing Poland with access to the sea (1919–39), given to her in 1919 in the Treaty of Versailles, and separating East Prussia from the rest of Germany. It is now part of Poland
Polish Corridor in American English
strip of Poland between Germany & East Prussia, giving Poland an outlet to the Baltic Sea (1919-39): c. 120 mi (193 km) long; 20-70 mi (32-113 km) wide