stamp battery vs pestle

stamp battery and pestle both are nouns.

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

stamp battery (noun)	pestle (noun)
a series of stamps operated in one mortar for crushing ores	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
	machine consisting of a heavy bar that moves vertically for pounding or crushing ores

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