Definition:
coos
- coossuch a sound
- coosto utter or imitate the soft murmuring sound of a dove
- cooslanguage of a group of American Indians indigenous to the coast of Oregon
- coosto make the low soft cry of a dove or pigeon or a similar sound
- coosCOO, to make the sound of a dove
- coostalk fondly, amorously, or appreciatively the family cooed over the baby pictures