Definition: Lullabied, also known as a lullaby or a gentle rocking, is a type of music that is typically slow and soothing. It is often used in religious services, children's songs, and for relaxation purposes, such as when someone needs to fall asleep. The term "lullabied" comes from the name of a song by the English folk singer John Lennon, which became a popular lullaby during World War II. The song was written by Lennon himself and is