Butterbeer definitions

An imaginary, non-alcoholic warming beverage, or a real beverage intended to imitate this.

Origin of butterbeer

From butter +‎ beer. Coined by J.K. Rowling in the Harry Potter series of novels, but based on the real "buttered beer", to which the earliest reference is The Good Huswifes Handmaide for the Kitchin published in London in 1588; that drink was made from beer, sugar, eggs, nutmeg, cloves and butter.