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Definition of Niagara river
1. Noun. A river flowing from Lake Erie into Lake Ontario; forms boundary between Ontario and New York.
Exact synonyms: Niagara
Group relationships: Canada, America, The States, U.s., U.s.a., United States, United States Of America, Us, Usa
Terms within: Niagara, Niagara Falls
Generic synonyms: River
Group relationships: Canada, America, The States, U.s., U.s.a., United States, United States Of America, Us, Usa
Terms within: Niagara, Niagara Falls
Generic synonyms: River