COO


Meaning of COO in English

~ 1

■ verb ( ~s , ~ing , ~ed )

1》 (of a pigeon or dove) make a soft murmuring sound.

2》 speak in a soft gentle voice.

■ noun a ~ing sound.

Origin

C17: imitative.

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~ 2

■ exclamation Brit. informal used to express surprise.

Origin

early 20th cent.: imitative.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.