The term "vegetable" generally means the edible parts of plants.Vegetables are eaten in a variety of ways, as part of main meals and as snacks.

The nutritional content of vegetables varies considerably, though generally they contain a small proportion of protein and fat, and a relatively high proportion of vitamins, provitamins, dietary minerals, fiber and carbohydrates.

Many vegetables also contain phytochemicals which may have antioxidant, antibacterial, antifungal, antiviral and anticarcinogenic.