lullaby

• lullabye (archaic)

From Middle English lullen (“to lull”) + bye. First recorded circa 1560. Compare Old English bī, bī (“lullaby!”, interjection).

• IPA^(key): /ˈlʌləbaɪ/

• Audio (US):

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lullaby (plural lullabies)

1. A cradlesong, a soothing song to calm children or lull them to sleep.

   sing a lullaby

• berceuse
• cradle song

• hushaby
• lull

lullaby (third-person singular simple present lullabies, present participle lullabying, simple past and past participle lullabied)

1. (transitive) To sing a lullaby to.

•   lullaby on Wikipedia.Wikipedia