DCHP-1 Online
border 
n. the boundary between Canada and the United States.
See also: across the border boundary line ((n.)) (def. 2)
- 1852 Our neighbors from "over the border" make a respectable appearance, and our Canadian friends are extremely commendable.
- 1957 . . . the supermen south of the border have been heaving the old bull around with unscientific abandon.
- 1852 Our neighbors from "over the border" make a respectable appearance, and our Canadian friends are extremely commendable.