1. to make the soft murmuring sound of a dove or pigeon
2. to speak in a soft, gentle, or affectionate way

1. the soft murmuring sound made by a dove or pigeon

Examples

• The doves cooed softly in the morning light.
• She cooed gently to calm the crying baby.
• The mother cooed sweet words to her newborn.
• We could hear the peaceful coo of pigeons on the roof.
• The baby responded to his mother’s gentle cooing.
• Mourning doves coo at dawn and dusk.