Yes. Yes it is.

https://www.worldwildlife.org/places/amazon

https://en.wikipedia.org/wiki/Amazon_rainforest

>"The Amazon" and "Amazonia" redirect here.

https://en.wikipedia.org/wiki/Amazon

https://www.dictionary.com/browse/amazon

https://www.merriam-webster.com/dictionary/amazon

https://www.businessinsider.com/amazon-jeff-bezos-chose-comp...

>Bezos thought the name of earth's largest river was perfect because he was building earth's largest bookstore