American English

Definition of battery noun from the Oxford Advanced American Dictionary

      

    battery

     noun
    noun
    NAmE//ˈbæt̮əri//
     
    (pl. batteries)
     
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  1. 1[countable] a device that is placed inside a car engine, clock, radio, etc. and that produces the electricity that makes it work to change the batteries a rechargeable battery battery-powered/-operated a car battery The battery is dead (= it is no longer producing electricity).
  2. 2[countable] battery (of something) a large number of things or people of the same type He faced a battery of questions. a battery of reporters
  3. 3[countable] (technology) a number of large guns that are used together
  4. 4 [uncountable] (law) the crime of attacking someone physically see also assault and battery
  5. Idioms
    recharge your batteries
     
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    to get back your strength and energy by resting for a while
See the Oxford Advanced Learner's Dictionary entry: battery