subs. (old).A baby.
1671. R. HEAD, The English Rogue. Carried at her back a LULLABY-CHEAT.
c. 1696. B. E., A New Dictionary of the Canting Crew, s.v. LULLABY-CHEAT.
1725. A New Canting Dictionary, s.v.
1785. GROSE, A Classical Dictionary of the Vulgar Tongue, s.v.
1839. W. H. AINSWORTH, Jack Sheppard, p. 25 (ed. 1840). Lets have a look at the kinchen that ought to have been throttled, added he, snatching the child from Wood. My stars! heres a pretty LULLABY-CHEAT to make a fuss aboutho! ho!