I. ˈlələˌbī noun
( -es )
Etymology: obsolete English lulla, lullay, lully, interjection used to lull a child (from Middle English, probably from lullen to lull) + English bye, interjection
1. : a soothing refrain ; specifically : a song to quiet children or lull them to sleep
2. obsolete : good-night
II. transitive verb
( -ed/-ing/-es )
: to soothe or quiet with or as if with a lullaby
the rhythm of motion lullabied his brain — Tom Hopkinson