Pigeon's purr (3)
I believe the answer is:
coo
(Other definitions for coo that I've seen before include "Speak lovingly -- cry softly" , "Pigeon noise" , "Call like a dove" , "Avian sound" , "Breathe" .)
I believe the answer is:
coo
(Other definitions for coo that I've seen before include "Speak lovingly -- cry softly" , "Pigeon noise" , "Call like a dove" , "Avian sound" , "Breathe" .)