7 letters · 12 points in Scrabble
noun a quiet song intended to lull a child to sleep
noun the act of singing a quiet song to lull a child to sleep
originFrom Middle English lullen (“to lull”) + bye. First recorded c. 1560. Compare Old English bī, bī (“lullaby!”, interjection).
Etymology from Wiktionary, CC BY-SA 3.0