Steve Mason (disambiguation); Steve Mason; Steven Mason (disambiguation); Stephen Mason; Stephen Mason (disambiguation); Mason, Steven
Mason
n. κτίστης, μασώνος, μασόνος, τέκτονας
Définition
Mason-Dixon Line
¦ noun (in the US) the boundary between Maryland and Pennsylvania, taken as the northern limit of the slave-owning states before the abolition of slavery.
Origin
named after Charles Mason and Jeremiah Dixon, who surveyed it in 1763-7.