curd Syllabification: (curd)Pronunciation: /kərd/Translate curd | into Spanish Definition of curd noun 1 (also curds) a soft, white substance formed when milk sours, used as the basis for cheese. a fatty substance found between the flakes of poached salmon. 2the edible head of a cauliflower or similar plant. Derivatives curdy adjective Origin: late Middle English: of unknown origincurd in other Oxford dictionaries Definition of curd in the British & World English dictionary