COO vs. CEO — What's the Difference?

To utter the murmuring sound of a dove or pigeon or a sound resembling it.

(aviation) CEO

To talk fondly or amorously in murmurs

The corporate executive responsible for the operations of the firm; reports to a board of directors; may appoint other managers (including a president)

To express or utter with soft murmuring sounds.

The murmuring sound made by a dove or pigeon.

(by extension) An expression of pleasure made by a person.

(ambitransitive) To make a soft murmuring sound, as a pigeon.

(intransitive) To speak in an admiring fashion, to be enthusiastic about.

(slang) Cool.

An expression of approval, fright, surprise, etc.

To make a low repeated cry or sound, like the characteristic note of pigeons or doves.

The sound made by a pigeon

Speak softly or lovingly;

Cry softly, as of pigeons