Cumin is a spice made from the dried seeds of the Cuminum cyminum plant, which is a member of the parsley family. The seeds are usually brownish and have a warm, earthy flavor with a hint of citrus. Cumin is commonly used in various cuisines around the world, particularly in Indian, Middle Eastern, and Mexican dishes. It can be used whole or ground and is often a key ingredient in spice blends such as curry powder and taco seasoning.