Whites of eggs, bay salt, milk, and pump water, beat together, and poured into a vessel of wine to prevent its fretting.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Papler * ParenthesisNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes