Charles Mason

idiomPart ofmason

Charles Mason — idiom

1. Charles Mason (1728–1786), an English astronomer and surveyor who worked with Je

1.idiom
Definition

Charles Mason (1728–1786), an English astronomer and surveyor who worked with Jeremiah Dixon to map the border between Pennsylvania and Maryland, known as the Mason–Dixon line

Example

Charles Mason and Jeremiah Dixon spent four years surveying the disputed colonial border.

The Mason–Dixon line was named after Charles Mason and is still used as a cultural boundary today.