1. Niagara Falls - Noun
2. Niagara Falls - Proper noun
waterfall in Canada is the Horseshoe Falls; in the United States it is the American Falls
a city in western New York State at the falls of the Niagara river; tourist attraction and honeymoon resort
Source: WordNetYou might as well try and dam Niagara Falls with toothpicks as to stop the reform wave sweeping our land. Billy Sunday
Welles is at once as abnormal and as natural as Niagara Falls. Kenneth Tynan
He'll call that trickle-down. I call it Niagara Falls. Jack Kemp
It's Niagara Falls. It's one of the most beautiful natural wonders in the world. Who wouldn't want to walk across it? Nik Wallenda
We need not wade into the current of Niagara Falls unless we please; but, after we have waded in we must thereafter be governed by the course and force of the stream. Alexander Bryan Johnson
I could more easily contain Niagara Falls in a tea cup than I can comprehend the wild, uncontainable love of God. Brennan Manning