Demerara UK /dɛməˈɹɛəɹə/US /dɛməˈɹɛɹə/ noun3 •A type of natural, unrefined or partially refined cane sugar, which is light brown in colour, particularly used in pastries and biscuits like shortbread. •A dark rum, made in Guyana using molasses and this sugar, mainly used for blending. •A region of Guyana in South America, Essequebo en Demerary (Essequibo and Demerara), formerly a Dutch (later British) colony, located around the lower courses of this river. formsDemeraras