coo

/kuː/
noun
  1. The soft, low sound made by a dove or pigeon, or a similar sound.
    • The gentle coo of the dove was the only sound in the garden.
    • A soft coo came from the nest in the eaves.
    • She imitated the pigeon's coo to call it closer.
verb
  1. To make a soft, low, murmuring sound, like that of a dove or pigeon.
    • The doves cooed softly from the rooftop at dawn.
    • We could hear pigeons cooing in the park all afternoon.
    • The baby cooed happily while playing with her toys.
  2. To speak in a soft, gentle, or affectionate manner.
    • He cooed compliments to his date throughout dinner.
    • She cooed sweetly to her newborn baby.
    • The grandmother cooed over the puppy in the window.
Antonyms
What does "coo" mean? | whatsthatwordmean | whatsthatwordmean