- to utter or imitate the soft, murmuring sound characteristic of doves.
- to murmur or talk fondly or amorously.
- to utter by cooing.
- a cooing sound.
- (used to express surprise or amazement.)
- Italian name of Kos.
- chief operating officer.
- (of doves, pigeons, etc) to make a characteristic soft throaty call
- to speak in a soft murmur
- to murmur lovingly (esp in the phrase bill and coo)
- the sound of cooing
- an exclamation of surprise, awe, etc
- chief operating officer
- cost of ownership
