Mason-Dixon Line

geographical name

Ma·​son-Dix·​on Line ˈmā-sᵊn-ˈdik-sən How to pronounce Mason-Dixon Line (audio)
the boundary line from the southwest corner of Delaware north to Pennsylvania and west to approximately the southwest corner of Pennsylvania
often considered the boundary between the northern and southern states of the U.S.

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Cite this Entry

“Mason-Dixon Line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mason-Dixon%20Line. Accessed 18 Mar. 2024.

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