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definitions

coo

1
[koo]
|
SEE MORE SYNONYMS FOR coo ON THESAURUS.COM

verb (used without object), cooed, coo·ing.

to utter or imitate the soft, murmuring sound characteristic of doves.
to murmur or talk fondly or amorously.

verb (used with object), cooed, coo·ing.

to utter by cooing.

noun

a cooing sound.

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RELATED WORDS

murmur, sound, utter, woo

Nearby words

  1. conway,
  2. conway, thomas,
  3. conwy,
  4. cony,
  5. conybeare,
  6. cooboo,
  7. cooch,
  8. cooch behar,
  9. coochie,
  10. cooee

Origin of coo

1
First recorded in 1660–70; imitative
Related formscoo·er, nouncoo·ing·ly, adverb

coo

2
[koo]

interjection British Slang.

(used to express surprise or amazement.)

Origin of coo

2
First recorded in 1910–15; origin uncertain

Coo

[kaw-aw]

noun

Italian name of Kos.

COO

chief operating officer.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for coo

British Dictionary definitions for coo

coo

verb coos, cooing or cooed

(intr) (of doves, pigeons, etc) to make a characteristic soft throaty call
(tr) to speak in a soft murmur
(intr) to murmur lovingly (esp in the phrase bill and coo)

noun

the sound of cooing

interjection

British slang an exclamation of surprise, awe, etc
Derived Formscooer, nouncooingly, adverb

CoO

abbreviation for

cost of ownership

COO

abbreviation for

chief operating officer
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 coo

coo

v.

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

Online Etymology Dictionary, © 2010 Douglas Harper