battery

group of guns or missile launchers operated together at one place

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

a collection of related things intended for use together; "took a battery of achievement tests"

a unit composed of the pitcher and catcher

a series of stamps operated in one mortar for crushing ores

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"

an assault in which the assailant makes physical contact