What does the word coo mean?

Usage examples for coo

  1. To the children it seemed an utter impossibility that Billy should ever find them, though they said nothing, and Jim obediently lifted up his voice and coo- ee'd in answer to the Hermit's words. – A Little Bush Maid by Mary Grant Bruce
  2. When all of the players have been thus disposed, the leader calls, " Pom, pom, cooketty coo!" – Games for the Playground, Home, School and Gymnasium by Jessie H. Bancroft
  3. But the big, big Coo wouldn't hold still. – More English Fairy Tales by Various