Definition of battery
From Middle French batterie, from Old French baterie ("action of beating"), from batre ("batter"), from Latin battuō ("beat").
battery (plural batteries)
- A device that produces electricity by a chemical reaction between two substances.
- (law) The crime or tort of intentionally striking another person.
- A coordinated group of artillery.
- An array of similar things.
Schoolchildren take a battery of standard tests to measure their progress.
- A set of small cages where hens are kept for the purpose of farming their eggs.
- (baseball) The catcher and the pitcher together
- (chess) Two or more major pieces on the same rank, file, or diagonal
- replacement battery
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