Mason and Dixon line

A form of Mason-Dixon Line — The boundary line between Pennsylvania and Maryland, as run (1764–1767) by Charles Mason and Jeremiah Dixon, that, before abolition, defined part of the northern boundary of states in which slavery was permitted.

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Meanings

proper noun
  1. alternativeAlternative form of Mason-Dixon Line.
Cite this entry
APA

Mason and Dixon line. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Mason%20and%20Dixon%20line

MLA

“Mason and Dixon line.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Mason%20and%20Dixon%20line. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Mason and Dixon line,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Mason%20and%20Dixon%20line.

Source: Mason and Dixon line on Wiktionary, CC BY-SA 4.0.