1. The act of singing popular songs in a sentimental manner
   "The lounge singer's crooning of old standards delighted the audience"
    
2. Singing in a soft low tone
   "her crooning soon put the child to sleep"

1. Sing softly and melodiously
   "The parents would occasionally croon to him"

Derived forms: croonings

Type of: sing, singing, vocalising [Brit]

Encyclopedia: Crooning