Pronunciation

change

Singular
coo

Plural
coos

  1. A dove's or pigeon's coo is the murmuring sound that it makes.

Plain form
coo

Third-person singular
coos

Past tense
cooed

Past participle
cooed

Present participle
cooing

  1. (transitive & intransitive) If a pigeon coos, it makes a soft murmuring sound.