1. An area or region that forms the boundary between two territories, countries, or jurisdictions
The zona limítrofe between the two countries was heavily guarded.
A zona limítrofe entre os dois países era intensamente vigiada.
2. A transitional or demarcation area with defined geographical or political limits
The military established checkpoints throughout the zona limítrofe.
Os militares estabeleceram postos de controle em toda a zona limítrofe.