what is a vegetable
vegetable noun (FOOD) A1 [ C ] US informal veggie a plant, root, seed, or pod that is used as food, especially in dishes that are not sweet: fresh/frozen vegetables. vegetable soup/stew/curry. fruit and vegetables. The potato is the most popular vegetable in this country. In the winter we tend to eat more root vegetables, such as carrots and parsnips. Raw vegetables contain more potassium than cooked ones. a vegetable knife. Compare. fruit noun.