1. The sound made by a pigeon
   "The coo of doves in the park created a peaceful atmosphere"

1. Speak softly or lovingly
   "The mother who held her baby was cooing softly"
    
2. Cry softly, as of pigeons
   "The doves cooed in the garden"

1. Expression of surprised admiration
   "coo! I'm s so delighted!";
   - wow, jislaaik [S.Africa]

Sounds like: coup

Derived forms: cooed, coos, cooing

Type of: cry, emit, let loose, let out, murmur, utter

Encyclopedia: Coo