1. a region or territory divided into two zones, especially the combined British and American occupation zones in Germany after World War II
Usage: historical; often capitalized when referring to post-WWII Germany

Examples

• The Bizone was established in 1946 when the British and American zones merged economically.
• Germany's division into occupation zones led to the creation of the Bizone in the west.
• The Bizone served as a precursor to the formation of West Germany.
• Economic cooperation within the Bizone helped rebuild the German economy after the war.