demarcation

Noun

WordNet 3.0

Noun (2)

  1. the boundary of a specific areaSynonyms: limitdemarcation line
  2. a conceptual separation or distinction“there is a narrow line between sanity and insanity”Synonyms: linedividing linecontrast
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Webster's Dictionary (GCIDE)

Demarcation \De`mar*ca"tion\, n. [F. d['e]marcation; pref. d['e]- (L. de) + marquer to mark, of German origin. See Mark.] The act of marking, or of ascertaining and setting a limit; separation; distinction. [1913 Webster]

The speculative line of demarcation, where obedience ought to end and resistance must begin, is faint, obscure, and not easily definable. --Burke. [1913 Webster]

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