Mortar and pestle Wikipedia
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 mortar (/ ˈ m ɔːr t ər /) is a bowl, typically made of hard wood, metal, ceramic, or hard stone, such as pestle (/ ˈ p ɛ s əl /, also US: / ˈ p ɛ s t əl /) is a heavy and blunt ...