軍ぐん事じ境きょう界かい線せん

noun

military demarcation line

Refers to a line separating military forces, such as the Military Demarcation Line between North and South Korea.

• 軍ぐん事じ境きょう界かい線せんを越こえることは固かたく禁きんじられている。

  Crossing the military demarcation line is strictly prohibited.