A metate is a mortar, a ground stone tool used for processing grain and seeds. In traditional Mesoamerican culture, metates were typically used by women who would grind calcified maize and other organic materials during food preparation (for example, making tortillas). Similar artefacts are found all over the world, including China. Formation and morphology While varying in specific morphology, metates adhere to a common shape. They typically consist of large stones with a smooth depression or b… (More on Metate)