plural trout also trouts
1
: any of various salmonid food and sport fishes that are mostly smaller than the typical salmons and are anadromous or restricted to cool clear fresh water:
a
: any of various Old or New World fishes (genera Salmo, Salvelinus, and Oncorhynchus) compare brown trout, rainbow trout
2
: any of various fishes (such as the largemouth bass) held to resemble the true trouts

Examples of 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.
Fatty fish such as salmon, sardines, trout, and herring are among the healthiest choices thanks to their rich omega-3 content, low mercury levels, and high levels of other essential vitamins and minerals. Jillian Kubala, Health, 6 Nov. 2025 The sunburst trout dish with heirloom tomatoes, Jimmy Nardello sweet peppers, and spices took us both straight back to the Mediterranean. Jenn Rice, Travel + Leisure, 3 Nov. 2025 The pair would then make their way to the nearest trout stream, fly rods in hand, and wait for the sun to come up. Tyler Austin Harper, The Atlantic, 30 Oct. 2025 Matt Hahn, a fisheries manager who covers the North Platte for the Wyoming Game and Fish Department, just learned the toll catch and release fishing was taking on that river’s trout. Christine Peterson, Outdoor Life, 30 Oct. 2025 See All Example Sentences for trout

Word History

Etymology

Middle English, from Old English trūht, from Late Latin trocta, tructa, a fish with sharp teeth, from Greek trōktēs, literally, gnawer, from trōgein to gnaw — more at troglodyte

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of trout was before the 12th century

Browse Nearby Words

Cite this Entry

“Trout.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trout. Accessed 15 Nov. 2025.

Kids Definition

trout

noun
plural trout also trouts
1
: any of various edible fishes that are mostly smaller than the related salmons, are restricted to cool clear fresh water or spend time at sea before returning to fresh water to breed, and are often speckled with dark colors
2
: any of various fishes that resemble the true trouts

More from Merriam-Webster on trout

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