Wiktionary
siu mei
n. meat roasted on a spit
Wikipedia
Siu mei
Siu mei is the generic name in Cantonese cuisine given to meats roasted on spits over an open fire or a huge wood burning rotisserie oven. It creates a unique, deep barbecue flavor and the roast is usually coated with a flavorful sauce (a different sauce is used for each variety of meat) before roasting. Siu mei is very popular in Hong Kong and Macau.