cradlesong

from WordNet (r) 3.0 (2006)

cradlesong
    n 1: a quiet song intended to lull a child to sleep [syn:
         {lullaby}, {cradlesong}, {berceuse}]
    2: the act of singing a quiet song to lull a child to sleep
       [syn: {lullaby}, {cradlesong}]

from The Collaborative International Dictionary of English v.0.48

cradlesong \cradlesong\ n.
   a quiet song that lulls a child to sleep.

   Syn: lullaby.
        [WordNet 1.5]

[email protected]