Croon :: Croon (v. i.) To make a continuous hollow moan, as cattle do when in pain..
Croon :: Croon (v. i.) To hum or sing in a low tone; to murmur softly.
Croon :: Croon (v. t.) To sing in a low tone, as if to one's self; to hum..
Croon :: Croon (v. t.) To soothe by singing softly.
Croon :: Croon (n.) A low, continued moan; a murmur..
Croon :: Croon (n.) A low singing; a plain, artless melody..