LULLABY Meaning of LULLABY in English n. & v.n. (pl. -ies) 1 a soothing song to send a child to sleep. 2 the music for this. v.tr. (-ies, -ied) sing to sleep. [ as LULL + -by as in BYE-BYE(2) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012