A woman of the town, or prostitute; Drury-lane and its environs were formerly the residence of many of those ladies.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Drury Lane Ague * Dry BobNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes