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
b
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
The 22-mile lake on the Kenai Peninsula is the headwaters of the Kenai River, a waterway known for trout and salmon fishing.
—
Lydia Mansel, Travel + Leisure, 13 Jan. 2026
That includes offerings such as grand aïoli with crunchy farm vegetables and poached steelhead trout and ravioli dauphine with Pleasant Ridge Reserve Cheese and chive.
—Nicole Hoey, Robb Report, 11 Jan. 2026
Fatty fish such as trout, salmon, and tuna are among the best natural sources.
—Fran Kritz, Verywell Health, 8 Jan. 2026
Small changes in everyday winter practices can make a big difference in stream health and can turn around animal loss, including the loss and movement of trout populations seen in Baltimore County.
—Cutter Martin, CBS News, 6 Jan. 2026
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“Trout.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trout. Accessed 20 Jan. 2026.
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
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