croon

English [edit]

Middle Dutch kronen (“to groan, lament”), from Proto-Germanic *kre-, from Proto-Indo-European *gerH- (“to cry hoarsely”).

croon (third-person singular simple present croons, present participle crooning, simple past and past participle crooned)

To hum or sing softly or in a sentimental manner.
- Charlotte Brontë
  
  Hearing such stanzas crooned in her praise.
(transitive) To soothe by singing softly.
- Charles Dickens
  
  The fragment of the childish hymn with which he sung and crooned himself asleep.

To hum or sing softly or in a sentimental manner

croon (plural croons)

A soft or sentimental hum or song.
- 2012 June 26, Genevieve Koski, “Music: Reviews: Justin Bieber: Believe”, The Onion AV Club:
  
  And really, Michael Jackson is a more fitting aspiration for the similarly sexless would-be-former teen heartthrob, who’s compared himself to the late King Of Pop (perhaps a bit prematurely) on several occasions and sings in a Jackson-like croon over a sample of “We’ve Got A Good Thing Going” on Believe’s “Die In Your Arms.”