Haggis (-g&ibreve_;s), n. [Scot. hag to hack, chop, E. hack. Formed, perhaps, in imitation of the F. hachis (E. hash), fr. hacher.] 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. [Written also haggiss, haggess, and haggies.]
[1913 Webster]