Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

river otter

noun

Definition of river otter

  1. :  any of various Old and New World otters (especially genera Lutra and Lontra); especially :  one (Lontra canadensis) of Alaska, Canada, and the conterminous United States found in aquatic environments from marine coastal regions to high mountains



1801

First Known Use of river otter

1801


Learn More about river otter


Seen and Heard

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

WORD OF THE DAY

February 9, 2016

marked by high spirits and laughter

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

kittly-benders duvet pince-nez spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ