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Frontier

/fɹʌnˈtɪə/

The part of a country which borders or faces another country or unsettled region

📖 Definitions of "Frontier"

noun
  1. 1

    The part of a country which borders or faces another country or unsettled region

  2. 2

    The most advanced or recent version of something; leading edge.

    "the frontier of civilization"

  3. 3

    An outwork of a fortification.

verb
  1. 1

    To live as pioneers on frontier territory.

  2. 2

    To place on the frontier.

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