Christmas pudding is a type of pudding traditionally served as part of the Christmas dinner in Britain, Ireland and in some other countries where it has been brought by British emigrants. It has its origins in medieval England, and is sometimes known as plum pudding or just "pud", though this can also refer to other kinds of boiled pudding involving dried fruit. Despite the name "plum pudding," the pudding contains no actual plums due to the pre-Victorian use of the word "plums" as a term for raisins. The pudding is composed of many dried fruits held together by egg and suet, sometimes moistened by treacle or molasses and flavoured with cinnamon, nutmeg, cloves, ginger, and other spices. The pudding is aged for a month, months, or even a year; the high alcohol content of the pudding prevents it from spoiling during this time.