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coo

1
[koo]
verb (used without object), cooed, coo·ing.
  1. to utter or imitate the soft, murmuring sound characteristic of doves.
  2. to murmur or talk fondly or amorously.
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verb (used with object), cooed, coo·ing.
  1. to utter by cooing.
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noun
  1. a cooing sound.
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Origin of coo

1
First recorded in 1660–70; imitative
Related formscoo·er, nouncoo·ing·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for cooer

coo

verb coos, cooing or cooed
  1. (intr) (of doves, pigeons, etc) to make a characteristic soft throaty call
  2. (tr) to speak in a soft murmur
  3. (intr) to murmur lovingly (esp in the phrase bill and coo)
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noun
  1. the sound of cooing
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interjection
  1. British slang an exclamation of surprise, awe, etc
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Derived Formscooer, nouncooingly, adverb

CoO

abbreviation for
  1. cost of ownership
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COO

abbreviation for
  1. chief operating officer
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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

Word Origin and History for cooer

coo

v.

1660s, echoic of doves; the phrase to bill and coo is first recorded 1816. Related: Cooing. The noun is recorded from 1729.

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Online Etymology Dictionary, © 2010 Douglas Harper