Border States

plural noun

U.S. History. the slave states of Delaware, Maryland, Kentucky, and Missouri, which refused to secede from the Union in 1860–61.
the U.S. states touching the Canadian border.
certain countries of central and northern Europe that border on the former Soviet Union and belonged to the Russian Empire: Finland, Poland (prior to 1940), Estonia, Latvia, and Lithuania. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for border states

  • In this alone consists the future safety of the Border-States themselves.

    The Great Conspiracy, Part 4|John Alexander Logan
  • So far as the Border-States are concerned, it is a matter that concerns them alone.

    The Great Conspiracy, Part 2.|John Alexander Logan
  • And now, in this second appeal of his to the Border-States men, to patriotically close with the proposal embraced in that.

    The Great Conspiracy, Part 5|John Alexander Logan