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border line

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noun
  1. boundary line; frontier.

Origin of border line

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for border line

Historical Examples

  • In cases on the border-line they might help to incline the balance.

    Mentally Defective Children

    Alfred Binet

  • He remained on the border-line of civilisation and reminded us of what we had left.

  • We have said that Constantin was on the border-line of civilisation and reminded us of what we had left.

  • Well, it's practically impossible to patrol some of that border-line.

  • Machu Picchu is on the border-line between the temperate zone and the tropics.

    Inca Land

    Hiram Bingham