Ground cumin is a spice derived from the seeds of the cumin plant. It has a warm, earthy, and slightly bitter flavor that is commonly used in various cuisines, particularly in Middle Eastern, Mexican, and Indian dishes. It's often used in marinades, rubs, and sauces for meats, poultry, and vegetables. It is also a popular spice in soups, stews, and rice dishes. In Middle Eastern cuisine, it is commonly used in dishes like hummus and falafel. In Indian cuisine, it is a fundamental spice in curries, lentil dishes, and biryanis.