DCHP-1 Online
boundary 
n. the boundary between Canada and the United States.
See also: border
- 1889 . . . I left our camp at 8 a.m. in charge of a patrol to the Manitoba boundary.
- 1923 He's the biggest horse-thief, cattle-rustler and whisky-smuggler this side of the boundary.
- 1889 . . . I left our camp at 8 a.m. in charge of a patrol to the Manitoba boundary.