Definition of "Battery" :

noun: an assault in which the assailant makes physical contact

noun: the heavy fire of artillery to saturate an area rather than hit a specific target

noun: a device that produces electricity; may have several primary or secondary cells arranged in parallel or series

noun: a series of stamps operated in one mortar for crushing ores

noun: a collection of related things intended for use together

"Took a battery of achievement tests."

noun: a unit composed of the pitcher and catcher

noun: group of guns or missile launchers operated together at one place