(literary) something kept for oneself and not allowed to be shared with others; one's private property or exclusive territory. Originally refers to a choice piece of meat from a pig's neck reserved for the emperor during the Jin Dynasty.

to know the flavor of a whole pot of food by tasting a single piece of meat; metaphorically, to be able to judge the whole by examining a small part or sample

(literary) to slice or carve up; to cut meat into small pieces; to fragment

thin and gaunt in appearance