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rainbow trout

noun

Definition of rainbow trout

  1. :  a large stout-bodied salmonid fish (Oncorhynchus mykiss syn. 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




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