虹鳟鱼 hóngzūnyú rainbow trout Definitions Defs Origin Strokes Stroke Words Sentences Sents 虹鳟 虹鱒 hóngzūn rainbow trout rainbow trout (Oncorhynchus mykiss), a species of salmonid noted for the reddish horizontal band along its sides鱼 魚 yú noun fish fish; generic term for aquatic cold-blooded vertebrates with gills and fins