made of sheep's or calf's viscera minced with oatmeal and suet and onions and boiled in the animal's stomach
source: WordNet 3.0
A Scotch pudding made of the heart, liver, lights, etc., of a sheep or lamb, minced with suet, onions, oatmeal, etc., highly seasoned, and boiled in the stomach of the same animal; minced head and pluck.
