Niagara Falls

American  

noun

1. the falls of the Niagara River: in Canada, the Horseshoe Falls, 158 feet (48 meters) high; 2,600 feet (792 meters) wide; in the U.S., American Falls, 167 feet (51 meters) high; 1,000 feet (305 meters) wide.

2. a city in W New York, on the U.S. side of the falls.

3. a city in SE Ontario, on the Canadian side of the falls.

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Niagara Falls British  

noun

1. (functioning as plural) the falls of the Niagara River, on the border between the US and Canada between Lake Erie and Lake Ontario: divided by Goat Island into the American Falls, 50 m (167 ft) high and approximately 300 m (985 ft) wide, and the Horseshoe or Canadian Falls, 47 m (158 ft) high and by some estimates well over 800 m (2625 ft) wide

2. (functioning as singular) a city in W New York State, situated at the falls of the Niagara River. Pop: 78 815 (2001)

3. (functioning as singular) a city in S Canada, in SE Ontario on the Niagara River just below the falls: linked to the city of Niagara Falls in the US by three bridges. Pop: 78 815 (2001)

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Niagara Falls Cultural  

1. Waterfall in western New York state and southern Ontario, Canada.

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Great tourist attraction known as a honeymooners' resort.

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• Victoria Falls vs. Niagara Falls

Example Sentences

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Niagara Falls

The fair featured electric lighting and electric streetcars powered by hydroelectricity generated by Niagara Falls, reflecting a moment when electricity was beginning to move from novelty toward widespread utility.

From The Wall Street Journal ● May 16, 2026

Dolomite is a widespread mineral found in iconic locations such as the Dolomite mountains in Italy, Niagara Falls and Utah's Hoodoos.

From Science Daily ● Apr. 20, 2026

Corletto returned to McClurkin’s church in the summer of 2013 and joined the singer during a trip to Niagara Falls.

From Los Angeles Times ● Jan. 6, 2026

Marineland, near the famed Niagara Falls, was once a profitable theme park.

From Barron's ● Nov. 26, 2025

She felt as though she were in a barrel going over the Niagara Falls.

From "The BFG" by Roald Dahl