Pigeon's soft murmuring sound (3)
I believe the answer is:
coo
(Other definitions for coo that I've seen before include "Gosh!" , "crumbs" , "Speak fondly" , "it's surprising!" , "Murmur amorously" .)
I believe the answer is:
coo
(Other definitions for coo that I've seen before include "Gosh!" , "crumbs" , "Speak fondly" , "it's surprising!" , "Murmur amorously" .)