Definition of "croon" [croon]

• To hum or sing softly. (verb-intransitive)
• To sing popular songs in a soft, sentimental manner. (verb-intransitive)
• Scots To roar or bellow. (verb-intransitive)
• To sing softly or in a humming way: crooning a lullaby. (verb-transitive)
• A soft singing or humming. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Morrissey's heartsick legato croon is reassigned to four women and two men, who deliver anything from keening, primal unaccompanied wails to swing-era harmonies."
• "It was so wonderful to hear music and spoken word croon through its doorway, but again disappointment and cynicism grabbed hold of me."
• "The term, "croon," meaning to sing softly person-to-person, came to describe this new musical style."