Winter melon (dōng guā) is a large, pale green gourd native to Asia, commonly used in Chinese cooking and traditional medicine. Despite its name, it is harvested in late summer and early autumn; the term 'winter' refers to its long storage life — it can be kept for months without refrigeration, often through winter. The character 冬 (dōng) means 'winter', and 瓜 (guā) means 'melon' or 'gourd', so the compound literally means 'winter melon'. Its thick, waxy rind is usually removed before cooking, and the mild, slightly sweet flesh is prized in soups, stir-fries, and desserts.

This vegetable is valued not only for its culinary versatility but also for its cooling properties in Traditional Chinese Medicine, where it’s believed to help clear heat and reduce swelling. It appears frequently in Cantonese and Fujian cuisines, especially in slow-simmered broths and stuffed preparations. Unlike many melons, winter melon has very low sugar content and is high in water and dietary fiber, making it a popular choice in health-conscious and seasonal dishes.