Dictionary

coo

verb \ˈkü\

: to make the soft sound of a dove or pigeon; also : to make a similar sound

: to talk in a soft, quiet, and loving way

Full Definition of COO

intransitive verb
1
:  to make the low soft cry of a dove or pigeon or a similar sound
2
:  to talk fondly, amorously, or appreciatively <the family cooed over the baby pictures>
coo noun

Examples of COO

  1. The baby cooed quietly in her crib.
  2. The baby was making a cooing sound.
  3. They all cooed over the baby pictures.
  4. Oh, how sweet, she cooed.

Origin of COO

imitative
First Known Use: 1577

COO

abbreviation

Definition of COO

chief operating officer

Other Business Terms

amortize, caveat emptor, clearinghouse, divest, due diligence, emolument, green-collar, marque, overhead, perquisite

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