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A torrent or flood: "engulfed by the Niagara of Americanisms that flowed over them" (Wall Street Journal).
[After Niagara (Falls)1.]
1. (Placename) 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)
2. a torrent
Ni•ag•a•ra(naɪˈæg rə, -ˈæg ər ə)
1. a river on the boundary between W New York and Ontario, Canada, flowing from Lake Erie into Lake Ontario. 34 mi. (55 km) long.
3. (l.c.) anything seen as resembling Niagara Falls in force and relentlessness; deluge: a niagara of criticism.
4. a variety of white grape, grown for table use.
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|Noun||1.||Niagara - waterfall in Canada is the Horseshoe Falls; in the United States it is the American Falls|
Ontario - a prosperous and industrialized province in central Canada
American Falls - a part of Niagara Falls in western New York (north of Buffalo)
|2.||Niagara - a river flowing from Lake Erie into Lake Ontario; forms boundary between Ontario and New York|
Canada - a nation in northern North America; the French were the first Europeans to settle in mainland Canada; "the border between the United States and Canada is the longest unguarded border in the world"
U.S.A., United States, United States of America, US, USA, America, the States, U.S. - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776