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English definition of “demarcation”

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demarcation

noun [C or U] uk ( US also demarkation)   /ˌdiː.mɑːˈkeɪ.ʃən/ us    /-mɑːr-/
a border or a rule that shows the limits of something or how things are divided: The river serves as the line of demarcation (= the line showing the separation) between the two counties. In some schools there is little demarcation between subjects (= subjects are not taught separately). On this map, demarcations between regions are shown with dotted lines.
Translations of “demarcation”
in Chinese (Traditional) (界線或規則)分界, 分界線…
in Chinese (Simplified) (界线或规则)分界, 分界线…
(Definition of demarcation from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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