Baby's noise (3)
I believe the answer is:
coo
(Other definitions for coo that I've seen before include "Speak lovingly -- cry softly" , "Call like a dove" , "I'm surprised" , "Dove's call" , "Bill and I go together" .)
I believe the answer is:
coo
(Other definitions for coo that I've seen before include "Speak lovingly -- cry softly" , "Call like a dove" , "I'm surprised" , "Dove's call" , "Bill and I go together" .)