#1 battery n. group of guns or missile launchers operated together at one place. wn
#2 battery n. [electric battery] a device that produces electricity; may have several primary or secondary cells arranged in parallel or series. wn
#3 battery n. a collection of related things intended for use together; "took a battery of achievement tests". wn
#4 battery n. a unit composed of the pitcher and catcher. wn
#5 battery n. [stamp battery] a series of stamps operated in one mortar for crushing ores. wn
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