noun
- Waterfall in Canada is the Horseshoe Falls; in the United States it is the American Falls.
- synonyms: Niagara Falls
- A river flowing from Lake Erie into Lake Ontario; forms boundary between Ontario and New York.
- synonyms: Niagara River
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). niagara. Retrieved September 20, 2026, from http://smartdefine.org/niagara/definitions/1227219 |
| Chicago | WordNet. 2010. "niagara" http://smartdefine.org/niagara/definitions/1227219 (accessed September 20, 2026). |
| Harvard | WordNet 2010, niagara, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/niagara/definitions/1227219>. |
| MLA | WordNet. "niagara" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/niagara/definitions/1227219> |