Definition of Niagara River in English:

Niagara River

Syllabification: Ni·ag·a·ra Riv·er
A river in North America that flows north for 35 miles (56 km) from Lake Erie to Lake Ontario and forms part of the border between Canada and the US.

Definition of Niagara River in:

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Word of the day deictic
Pronunciation: ˈdeɪktɪk
denoting a word whose meaning depends on context...