frontier

Definition

The part of a country which borders or faces another country or unsettled region.

Etymology

From Middle English frounter, from Old French fronter (whence Modern French frontière), from front.

Example Sentences

• "the frontier of civilization"
• "There were not many passengers, and the journey was uneventful until the frontier was reached at Padang Besar, although an armed escort of Malay police accompanied the train from Alor Star."
• "From time to time the coaches of the Lötschberg Railway itself, which in comfort and décor can rank with the finest in Europe today, travel far from the frontiers of Switzerland on through workings such as these."