An expression of approval, fright, surprise, etc.
The murmuring sound made by a dove or pigeon.
An expression of pleasure made by a person.
Cool.
To speak in an admiring fashion, to be enthusiastic about.
To make a soft murmuring sound, as a pigeon.
Used to attract someone's attention.
To make such a call.
A short distance; hailing distance.
A long, loud call used to attract attention when at a distance, mainly done in the Australian bush.