Cooing and rubbing of beaks, performed by birds such as pigeons and doves as a prelude to mating.

present participle of bill and coo

simple past tense and past participle of bill and coo

Third-person singular simple present indicative form of bill and coo

A city in Coos County, Oregon, United States; former name Marshfield.

plural of billing and cooing

A self-governing country in Oceania, in free association with New Zealand.

Having a slightly low temperature; mildly or pleasantly cold. / Allowing or suggesting heat relief. / Of a color, in the range of violet to green.

A moderate or refreshing state of cold; moderate temperature of the air between hot and cold; coolness. / A calm temperament. / The property of being cool, popular or in fashion.

(intransitive, literally) To lose heat, to get colder. / (transitive, literally) To make cooler, less warm. / (intransitive, figuratively) To become less intense, e.g. less amicable or passionate.