Mortar and pestle are implements used since ancient times to prepare ingredients or substances by crushing and grinding them into a fine paste or powder in the kitchen, laboratory, and pharmacy. The mortar (/ˈmɔːrtər/) is a bowl, typically made of hard wood, metal, ceramic, or hard stone, such as granite. The pestle (/ˈpɛsəl/, also US: /ˈpɛstəl/) is a heavy and blunt club-shaped object. The substance to be ground, which may be wet or dry, is placed in the mortar, where the pestle is pressed and r...