- to sing or hum in a soft, soothing voice: to croon to a baby.
- to sing in an evenly modulated, slightly exaggerated manner: Popular singers began crooning in the 1930s.
- to utter a low murmuring sound.
- Scot. and North England.
- to sing (a song) in a crooning manner.
- to lull by singing or humming to in a soft, soothing voice: to croon a child to sleep.
- the act or sound of crooning.
- to sing or speak in a soft low tone
- a soft low singing or humming
