Niagara Falls
1928, in the meaning defined above
6 Words Derived from Place Names
When the name on the map gets its own meaning
niacinamide
Niagara
“Niagara.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Niagara. Accessed 31 Oct. 2024.
Britannica.com: Encyclopedia article about Niagara
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