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moo

American  
[moo] / mu /

verb (used without object)

mooed, mooing
  1. to utter the characteristic deep sound of a cow; low.


noun

plural

moos
  1. a mooing sound.

moo British  
/ muː /

verb

  1. (intr) (of a cow, bull, etc) to make a characteristic deep long sound; low

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

interjection

  1. an instance or imitation of this sound

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of moo

First recorded in 1540–50; imitative

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Up in the pasture, Sally Gooden mooed her delight with the juicy, green world.

From Literature

By afternoon I started to hear the bleating of goats and the mooing of cows.

From Literature

Children ages 4 to 8 will think they know what’s coming from the placid, old-timey barnyard setting, where the horse says “neigh” and the cow says “moo.”

From The Wall Street Journal

When she was done mooing, she looked surprised.

From Literature

The word “milk” prompted some mournful moos from below.

From Literature