DCHP-1 Online
medicine line West, Hist. 
in Indian parlance, the Canada-U.S. border.
- 1910 The Indians, as a matter of fact, called the International Boundary the "Medicine Line," assuming that in the absence of any agreement between the two Governments relative to this crime, they were perfectly safe on one side of the line with regard to what had been done on the other.
- 1959 But Crowfoot says that the border--the medicine line--protects his people from the Long Knives.
- 1910 The Indians, as a matter of fact, called the International Boundary the "Medicine Line," assuming that in the absence of any agreement between the two Governments relative to this crime, they were perfectly safe on one side of the line with regard to what had been done on the other.