a medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc.
a club-shaped hand tool for grinding and mixing substances in a mortar
a heavy tool of stone or iron (usually with a flat base and a handle) that is used to grind and mix material (as grain or drugs or pigments) against a slab of stone
grind, mash or pulverize in a mortar; "pestle the garlic"