- 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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018