rainbow trout

noun

: a large stout-bodied salmonid fish (Oncorhynchus mykiss synonym Salmo gairdneri) of western North America that is related to the Pacific salmon and is typically greenish above and white on the belly with a pink, red, or lavender stripe along each side of the body and with profuse black dots compare steelhead

Illustration of rainbow trout

Illustration of rainbow trout

Examples of rainbow trout in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Steelhead trout are the same species as rainbow trout, Oncorhynchus mykiss, but unlike their freshwater-dwelling relatives, steelheads spend much of their lives feeding in the ocean and return to their natal streams to spawn. Lila Seidman, Los Angeles Times, 14 Jan. 2025 Fish kept in hatcheries will provide 378,000 brook trout eggs, 448,000 lake trout eggs, 2.6 million brown trout eggs and 1.5 million rainbow trout eggs. Tanya Wildt, Detroit Free Press, 19 Dec. 2024 There was not a lick of action as far as rainbow trout were concerned, but that was beside the point. Marcia Desanctis, airmail.news, 31 Aug. 2024 Outdoor adventurers flock to Browns Canyon National Monument to paddle the whitewater rapids of the Arkansas River, hike among the pinyon pine and juniper trees, fish for brown and rainbow trout and admire wildlife like golden eagles and bighorn sheep. Sarah Kuta, Smithsonian Magazine, 20 Dec. 2024 See all Example Sentences for rainbow trout 

Word History

First Known Use

1880, in the meaning defined above

Time Traveler
The first known use of rainbow trout was in 1880

Dictionary Entries Near rainbow trout

Cite this Entry

“Rainbow trout.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rainbow%20trout. Accessed 30 Jan. 2025.

Kids Definition

rainbow trout

noun
: a large trout native to western North America that usually has red or pink stripes with black dots on its sides compare steelhead

More from Merriam-Webster on rainbow trout

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