coo , v : (transitive, intransitive) To make a soft murmuring sound, as a pigeon. (intransitive) To speak in an admiring fashion, to be enthusiastic about.
Cibo e viaggi / Food and travel notes by Livio Acerbo

coo , v : (transitive, intransitive) To make a soft murmuring sound, as a pigeon. (intransitive) To speak in an admiring fashion, to be enthusiastic about.