/ Thesaurus / R Synonyms of rainbow trout Find synonyms for: Noun1. rainbow trout, troutusage: flesh of Pacific trout that migrate from salt to fresh water2. rainbow trout, Salmo gairdneri, troutusage: found in Pacific coastal waters and streams from lower California to AlaskaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: malady Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language