coo

noun
1
the soft, low sound made by a dove or a pigeon
صدای قمری, صدای غارغار کبوتر
2
words or sounds spoken in a soft, quiet voice, especially to somebody you love
زمزمه کردن, نوازش کلامی کردن, نجوا
Repeating back coos from the baby helps the infant to understand the nature of language.
verb
1
when a dove or a pigeoncoos, it makes a soft low sound
بق‌بقو کردن
2
to say something in a soft quiet voice, especially to somebody you love
با صدای نرم و محبت‌آمیز صحبت کردن, آرام صحبت کردن, با صدای آرام سخن گفتن
exclamation
1
used to show that you are surprised
عه, وه