Webster's Revised Unabridged Dictionary · 1913

Haggis

Haggis (-gis) , noun

[Scot. hag to hack, chop, English hack. Formed, perhaps, in imitation of the French hachis (English hash), from 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.