- stamp, pestle - machine consisting of a heavy bar that moves vertically for pounding or crushing ores
--1 is a kind of machine
--1 is a part of battery, stamp batteryDerived form: verb pestle1 - 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
--2 is a kind of tool
Derived form: verb pestle1 - pestle - a club-shaped hand tool for grinding and mixing substances in a mortar
--3 is a kind of hand tool
Derived form: verb pestle1