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

moo

play
verb \ˈmü\

Definition of moo

  1. intransitive verb
  2. :  to make the throat noise of a cow

moo noun


Origin of moo

imitative


First Known Use: 1549


MOO Defined for Kids

1

moo

play
verb \ˈmü\

Definition of moo

mooedmoo·ing

  1. :  to make the sound of a cow :  low




2

moo

play
noun

Definition of moo

plural moos

  1. :  the low sound made by a cow




Learn More about moo


Seen and Heard

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

WORD OF THE DAY

February 11, 2016

the holder of an office

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 196.5 pounds 2.2 pounds 100 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