rainbow fish

noun

Definition of rainbow fish

: any of numerous brilliantly colored fishes (such as a wrasse, parrotfish, or guppy)

First Known Use of rainbow fish

1722, in the meaning defined above

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The first known use of rainbow fish was in 1722

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Cite this Entry

“Rainbow fish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rainbow%20fish. Accessed 13 Aug. 2020.

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