(3 syl.) A West Indian dish, consisting of a hog roasted whole, stuffed with spice, and basted with Madeira wine. Any animal roasted whole is so called.
Oldfield with more than harpy throat subdued, Cries, Send me, ye gods, a whole hog barbecued!
Pope: Satires, ii. 25, 26.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
More on Barbecue from Infoplease: