rainbow trout

noun
Updated on: 19 Nov 2017

Definition of rainbow trout

: a large stout-bodied salmonid fish (Oncorhynchus mykiss synonym 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

Recent Examples of rainbow trout from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rainbow trout.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Illustration of rainbow trout

First Known Use of rainbow trout

1880


Learn More about rainbow trout


Seen and Heard

What made you want to look up rainbow trout? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

food, provisions, or a tasty dish

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!