Definition of “coo” - English Dictionary

british dictionary

“coo” in British English

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cooverb [ I ]

uk /kuː/ us /kuː/ present participle cooing, past tense and past participle cooed

When birds such as doves and pigeons coo, they make a low soft sound.

to speak in a soft, gentle, or loving way:

The baby lay 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, soft call, or (of people) to speak in a soft, gentle way:

My baby gazed 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)