battery Meaning in Cambridge American English Dictionary
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Meaning of "battery" - American English Dictionary

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batterynoun

 us   /ˈbæt̬·ə·ri/

battery noun (ELECTRICAL DEVICE)

[C] a device that produces electricity to provide power for radios, cars, toys, etc.: What size battery do you need for the alarm clock? physics [C] A battery is also any device that produces electrical energy from chemical energy.

battery noun (LARGE NUMBER)

[C] a number of things of a similar type: You have to pass a whole battery of tests to get into that school.

battery noun (CRIME)

[U] the crime of attacking and beating someone
(Definition of battery from the Cambridge Academic Content Dictionary © Cambridge University Press)
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