A cocktail is an alcoholic mixed drink that contains two or more ingredients—at least one of the ingredients must be a spirit.
Cocktails were originally a mixture of spirits, sugar, water, and bitters. It now means almost any mixed drink that contains alcohol. A cocktail today usually contains one or more kinds of spirit and one or more mixers, such as soda or fruit juice. Additional ingredients may be sugar, honey, milk, cream, and various herbs.