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Definition of Columbia river
1. Noun. 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.
Exact synonyms: Columbia
Group relationships: Canada, Evergreen State, Wa, Washington
Generic synonyms: River
Group relationships: Canada, Evergreen State, Wa, Washington
Generic synonyms: River