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rainbow trout

American

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 British

noun

a freshwater trout of North American origin, Salmo gairdneri , having a body marked with many black spots and two longitudinal red stripes

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of rainbow trout

An Americanism dating back to 1880–85

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I had attended a Fishwife pop-up in Manhattan, where I feasted on deviled eggs with smoked rainbow trout, butter & anchovy toast, salmon seaweed snacks and caviar bumps.

From Salon • Apr. 7, 2025

But those rainbow trout — identifiable by iridescent colors running down their sides — are blocked from journeying to the ocean and back by man-made barriers.

From Los Angeles Times • Jan. 14, 2025

Vulnerable populations of rainbow trout are also threatened by the Eaton fire burning in the San Gabriel Mountains north of Los Angeles.

From Los Angeles Times • Jan. 14, 2025

This has left a gap that domestically farmed rainbow trout is poised to fill.

From Salon • Jan. 7, 2025

He could happily spend an afternoon tracking a flying squirrel across forests or a rainbow trout down rivers.

From "The Princess Bride" by William Goldman

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023