Battery (electricity) definition

(1) An assault in which the assailant makes physical contact

(2) The heavy fire of artillery to saturate an area rather than hit a specific target

"They laid down a barrage in front of the advancing troops"

"The shelling went on for hours without pausing"

(3) A device that produces electricity; may have several primary or secondary cells arranged in parallel or series

(4) A series of stamps operated in one mortar for crushing ores

(5) A collection of related things intended for use together

"Took a battery of achievement tests"

(6) A unit composed of the pitcher and catcher

(7) Group of guns or missile launchers operated together at one place