To make a continuous hollow moan, as cattle do when in pain. [Scot.] Jamieson.
To hum or sing in a low tone; to murmur softly. Here an old grandmother was crooning over a sick child, and rocking it to and fro. Dickens.
To sing in a low tone, as if to one's self; to hum. Hearing such stanzas crooned in her praise. C. Bront
To soothe by singing softly. The fragment of the childish hymn with which he sung and crooned himself asleep. Dickens.
A low, continued moan; a murmur.
A low singing; a plain, artless melody.
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