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rainbow trout
noun
- a trout, Salmo gairdnerii, native in the coastal waters and streams from Baja California to Alaska, used as a food and game fish.
rainbow trout
noun
- a freshwater trout of North American origin, Salmo gairdneri , having a body marked with many black spots and two longitudinal red stripes
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Word History and Origins
Origin of rainbow trout1
An Americanism dating back to 1880–85
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