The definition of a lullaby is a quiet or soothing song intended to get a child to go to sleep.
Rock a Bye Baby is an example of a lullaby.
- a song for lulling a baby to sleep
- music based on or like this
Origin of lullaby; from lulla (; from ME), echoic + -by, as in bye-bye
to lull with or as with a lullaby
A soothing song with which to lull a child to sleep.
transitive verblull·a·bied, lull·a·by·ing, lull·a·bies
To quiet with or as if with a lullaby.
Origin of lullabyObsolete lulla, word used in lullabies (from Middle English lullai, from lullen, to lull; see lull) + bye2.
From Middle English lullen (“to lull") + bye. First recorded circa 1560.