To cheat: as, they nursed him out of it. An estate in the hands of trustees, for the payment of bdebts, is said to be at nurse.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Nunnery * NutsNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes