Illustration of rainbow trout
![Illustration of rainbow trout](https://merriam-webster.com/assets/mw/static/art/dict/rainbowt.gif)
1880, in the meaning defined above
“Rainbow trout.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rainbow%20trout. Accessed 9 Feb. 2025.
rainbow trout
nounBritannica.com: Encyclopedia article about rainbow trout
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