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

blue whale

noun

Simple Definition of blue whale

  • : a very large bluish-gray whale

Full Definition of blue whale

  1. :  a very large baleen whale (Balaenoptera musculus syn. Sibbaldus musculus) that may reach a weight of 150 tons (135 metric tons) and a length of 100 feet (30 meters) and is generally considered the largest living animal

Illustration of blue whale

1851

First Known Use of blue whale

1851


BLUE WHALE Defined for Kids

blue whale

noun

Definition of blue whale

  1. :  a very large whale that is generally considered the largest living animal




Learn More about blue whale


Seen and Heard

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

WORD OF THE DAY

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

16.96 pounds 100 pounds 196.5 pounds 2.2 pounds
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