coo

US /kuː/
UK /kuː/
"coo" picture
1.

to make a soft, murmuring sound, like a dove or pigeon

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The doves began to coo softly on the rooftop.
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She heard the gentle coo of a pigeon outside her window.
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murmurpurrgurgletrilltwitter
2.

to speak in a soft, gentle, or loving way, often to a baby or a loved one

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She began to coo at the baby, making soft, comforting sounds.
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He would often coo sweet nothings into her ear.
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murmurwhispercroonlull
1.

a soft, murmuring sound, typically made by a dove or pigeon

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The gentle coo of the pigeon was the only sound in the quiet morning.
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She listened to the distant coo of the birds.
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murmurpurrgurgletrill
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bill and coo