1. A sweet soft pudding made of stewed fruit (usually berries) thickened with Cornstarch.
2. Old-time British flummeries were made by cooking oatmeal until smooth and gelatinous; sweetener and milk were sometimes added. in the 18th century, the dish became a gelatin-thickened, cream- or milk-based dessert, flavored generously with Sherry or Madeira.