demarcation
/ˌdɛmɑːˈkeɪʃən/ · de·mar·ca·tion
noun
- The act of marking off a boundary or setting a limit, notably by belligerents signing a treaty or ceasefire. The demarcation of the front lines was formalized in the peace treaty signed last month.
- A limit thus fixed, in full demarcation line. The river serves as the demarcation between the two neighboring states.
- Any strictly defined separation. There is a clear demarcation between fact and opinion in the editorial.
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Did you know? The term gained geopolitical prominence after World War II, when the Allied powers established demarcation lines to separate occupied zones, a practice that later influenced the creation of the Korean Demilitarized Zone.