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boundary line

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noun
  1. boundary(def 1).
  2. partition line.

Origin of boundary line

First recorded in 1695–1705
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for boundary line

Historical Examples

  • Mr. Raeburn determined most of the boundary-line of the present Park.

    Your National Parks

    Enos A. Mills

  • How determine the boundary-line to cleave this continent in twain?

  • The lyric element in them steps beyond the boundary-line of poetry.

    mile Verhaeren

    Stefan Zweig

  • And Miss Gresley said she did not think he was quite a bounder, only on the boundary-line.

    Red Pottage

    Mary Cholmondeley

  • For him there is no boundary-line between the two, the one is as real and actual as the other.