1. a border region or frontier area between two countries or territories, especially one that is disputed or contested
Usage: often used in historical or political contexts; typically plural in form (marchlands) when referring to multiple regions
2. land that forms a border or boundary, especially between kingdoms or states in medieval times
Usage: historical; often associated with feudal or medieval contexts

Examples

• The marchland between the two kingdoms was a zone of constant tension and occasional conflict.
• Soldiers were stationed throughout the marchland to defend against invasion.
• The marchlands of Scotland and England were heavily fortified during the Middle Ages.
• Trade flourished in the marchland towns that served both neighboring regions.
• The disputed marchland remained under contested control for centuries.
• Local lords governed the marchland with relative independence from the crown.