BOARDING-School,
Bridewell [[prob. rdg; orig. Briedwell]] or New Prison, or any Work-house, or House of Correction, for Vagrants, Beggars and Villains, &c.
· 
· 
Entry taken from 1736 Canting Dictionary, by Nathan Bailey.
· ·
Boarding School in the 1811 Vulgar Tongue
Also see examples in Canting Songs and Slang Rhymes collected by John S. Farmer (1896).