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English definition of “battery”

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battery

noun uk   /ˈbæt.ər.i/ us    /ˈbæt̬.ɚ.i/

battery noun (ELECTRICAL DEVICE)

A2 [C] a device that produces electricity to provide power for radios, cars, etc.: a rechargeable battery a battery-operated hairdryer This alarm clock takes two medium-sized batteries. I think the battery is dead ( UK also flat/gone) (= has lost its power).
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battery noun (LARGE NUMBER)

a battery of sth a number of things of a similar type: In the kitchen an impressive battery of stainless steel utensils hangs on the wall.

battery noun (GUNS)

[C] a number of large guns and similar weapons operating together in the same place: The shore battery opened fire.

battery noun (ATTACK)

battery

adjective [before noun] uk   /ˈbæt.ər.i/ us    /ˈbæt̬.ɚ.i/ UK
using a system of producing a large number of eggs cheaply by keeping a lot of chickens in rows of small cages (= boxes made of wire): battery farming battery hens/eggs
(Definition of battery from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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