forty-ninth parallel
The 'forty-ninth parallel' is a significant line of latitude that forms part of the boundary between Canada and the United States.
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Definition
B2Geography
(common)The line of latitude at 49 degrees north of the equator, forming part of the boundary between Canada and the United States.
Example
- The forty-ninth parallel marks a significant portion of the Canada-United States border.
C1History
(technical, academic)A historical boundary established through treaties such as the Convention of 1818 and the Oregon Treaty of 1846, marking part of the border between Canada and the United States.
Example
- The forty-ninth parallel was established as a boundary line through the Oregon Treaty of 1846.
Similar
Terms that have similar or relatively close meanings to "forty-ninth parallel":