A substance prepared from animal fat with some other ingredients intermixed, as an imitation of butter.
"If a man sells you anything as good as what you ask for, but yet entirely different, are you cheated? … A man may say his butterine is as pure and wholesome as genuine butter, and therefore why not sell it as butter?" — "Adulteration of Fruit Preserves and Other Foods" by R. C. Kedzie in Twenty-fourth annual report of the secretary of the State Horticultural Society of Michigan, 1894