Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Fooddemerara sugardem‧e‧ra‧ra sug‧ar /ˌdeməreərə ˈʃʊɡə $ -rerə ˈʃʊɡər/ noun [uncountable] British English DFa type of rough brown sugarOrigin demerara sugar (1800-1900) Demerara, area in Guyana where the sugar originally came from ldoceonline.com