Seasoning in a grinder is commonly referred to as PEPPER. PEPPER is a spice that is made from grinding dried peppercorns, which are the fruit of the Piper nigrum plant. It is one of the most widely used spices in the world and is available in many different varieties, such as black, white, and green. PEPPER can be used to add flavor to a variety of dishes and is often used as a finishing touch to enhance the flavor of a dish.