coo Meaning in the Cambridge English Dictionary
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Meaning of “coo” in the English Dictionary

"coo" in British English

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cooverb [I]

uk   us   /kuː/ (present participle cooing, past tense and past participle cooed)
When ​birds such as doves and pigeons coo, they make a ​lowsoftsound. to ​speak in a ​soft, ​gentle, or ​loving way: The ​babylay in his ​cot, cooing and ​gurgling. It's ​sickening the way she coos over those ​cats of hers. [+ speech] "How ​wonderful to ​see you again, ​darling," she cooed.
(Definition of coo from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"coo" in American English

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cooverb [I]

 us   /ku/ (present tense coos, present participle cooing, past tense and past participle cooed)
(esp. of some ​birds, such as pigeons ) to make a ​low, ​softcall, or (of ​people) to ​speak in a ​soft, ​gentle way: My ​babygazed back at me and cooed.
(Definition of coo from the Cambridge Academic Content Dictionary © Cambridge University Press)

"COO" in Business English

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COOnoun [C]

uk   us  
WORKPLACE, MANAGEMENT abbreviation for chief operating officer
(Definition of COO from the Cambridge Business English Dictionary © Cambridge University Press)
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