n group of guns or missile launchers operated together at one place
n a device that produces electricity; may have several primary or secondary cells arranged in parallel or series
n a collection of related things intended for use together
n a unit composed of the pitcher and catcher
n a series of stamps operated in one mortar for crushing ores
n the heavy fire of artillery to saturate an area rather than hit a specific target
n an assault in which the assailant makes physical contact
n. 电池（battery的复数形式）