large waterfall on the Niagara River: it is divided by an island into two falls, Horseshoe (or Canadian) Falls, c. 160 ft (49 m) high, & American Falls, c. 167 ft (51 m) high
city in W N.Y., near Niagara Falls: pop. 56,000
city in SE Ontario, Canada, opposite Niagara Falls: pop. 77,000
See Niagara Falls in American Heritage Dictionary 4
Falls in the Niagara River between the cities of Niagara Falls, New York, and Niagara Falls, Ontario, Canada. The falls are divided by Goat Island into the American Falls, 50.9 m (167 ft) high, and the Canadian, or Horseshoe, Falls, 48.2 m (158 ft) high.
A city of southeast Ontario, Canada, on the Niagara River opposite Niagara Falls, New York. It is a port of entry and an important industrial center. Population: 82,200.
A city of western New York on the Niagara River north-northwest of Buffalo. Occupied by the French in the 1680s, captured by the British in 1759, and settled by Americans in 1805, it was held by the British during the War of 1812. Tourism is a mainstay of its economy. Population: 52,300.