demarcation
🇺🇸
/ˌdiːmɑːrˈkeɪʃn/
🇬🇧
/ˌdiːmɑːˈkeɪʃn/
The act of marking a clear boundary or dividing line between two things.
The demarcation between the two properties was marked with a fence.
2つの物件の間に設けられた境界はフェンスで示されました。