Columbia River

Columbia River

A river rising in southeast British Columbia, Canada, and flowing about 1,947 km (1,210 mi) south then west through the Columbia Plateau and along the Washington-Oregon border to its outlet on the Pacific Ocean. It was discovered and named by the American explorer Robert Gray in 1792.

Thesaurus

Noun

1.

Columbia River - a North American river; rises in southwestern Canada and flows southward across Washington to form the border between Washington and Oregon before emptying into the Pacific; known for its salmon runs in the spring Columbia Canada - a nation in northern North America; the French were the first Europeans to settle in mainland Canada; "the border between the United States and Canada is the longest unguarded border in the world" Evergreen State, WA, Washington - a state in northwestern United States on the Pacific