a quiet song intended to lull a child to sleep
"After tucking his daughter in, he hummed her favorite lullaby until her breathing slowed into deep slumber."
the act of singing a quiet song to lull a child to sleep
"She hummed a gentle melody as a soft lullaby that finally helped her restless toddler drift off."
A cradlesong, a soothing song to calm children or lull them to sleep.
"The mother hummed a gentle melody as a lullaby while rocking her baby until he drifted off peacefully."
To sing a lullaby to.
"She gently hummed a soft melody to soothe her crying baby back to sleep."
The word comes from Middle English lullen, meaning "to lull," combined with the word for child. It was first recorded around 1560 and is related to an Old English interjection used to soothe a baby.