Niagara
Americannoun
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a river on the boundary between W New York and Ontario, Canada, flowing from Lake Erie into Lake Ontario. 34 miles (55 km) long.
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Fort, a fort in W New York, at the mouth of the Niagara River.
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(lowercase) anything taken as resembling Niagara Falls in force and relentlessness; avalanche.
a niagara of criticism.
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Horticulture.
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a variety of white grape, grown for table use.
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the vine bearing this fruit.
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noun
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a river in NE North America, on the border between W New York State and Ontario, Canada, flowing from Lake Erie to Lake Ontario. Length: 45 km (28 miles)
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a torrent
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Three rescued beluga whales have arrived at SeaWorld San Diego after traveling more than 2,500 miles from Canada following the closure of a marine park in Niagara Falls.
From Los Angeles Times ● Aug. 24, 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
They divorced soon after and his father moved to Niagara Falls, N.Y., to oversee the construction of the Skylon Tower, which was financed in part by his Hershey shareholdings.
From The Wall Street Journal ● Feb. 28, 2026
Marineland, near the famed Niagara Falls, was once a profitable theme park.
From Barron's ● Nov. 26, 2025
I’m very glad I saw it, because from now on if I am asked whether I have seen Niagara Falls I can say yes, and be telling the truth for once.
From "Travels with Charley in Search of America" by John Steinbeck
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
