1. pestle -- (grind, mash or pulverize in a mortar; "pestle the garlic")
pestle can be used as a noun
1. stamp, pestle -- (machine consisting of a heavy bar that moves vertically for pounding or crushing ores)
2. pestle, muller, pounder -- (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)
3. pestle -- (a club-shaped hand tool for grinding and mixing substances in a mortar)
1.
Like millstones do they work, and like pestles throw only seed-corn unto them--they know well how to grind corn small, and make white dust out of it. - from Thus Spake Zarathustra by Friedrich Nietzsche