Butterine is a type of margarine that was popular in the early 20th century. It is a combination of butter and lard, and was often used as a cheaper alternative to butter. The crossword solution for the term 'butterine' is 'oleo, ' which is a shortened form of the word oleomargarine. Oleomargarine is another name for margarine, and is derived from the Latin words oleum, meaning oil, and margarita, meaning pearl.