pestle vs stamp battery

pestle and stamp battery both are nouns.

Word	Noun	Adjective	Verb	Adverb
pestle	Yes	No	Yes	No
stamp battery	Yes	No	No	No

pestle (noun)	stamp battery (noun)
a club-shaped hand tool for grinding and mixing substances in a mortar	a series of stamps operated in one mortar for crushing ores
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
machine consisting of a heavy bar that moves vertically for pounding or crushing ores

pestle (verb)	stamp battery (verb)
grind, mash or pulverize in a mortar