(batteries)
1.
Batteries are small devices that provide the power for electrical items such as radios and children’s toys.
The shavers come complete with batteries.
...a ~-operated cassette player.
...rechargeable batteries.
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2.
A car ~ is a rectangular box containing acid that is found in a car engine. It provides the electricity needed to start the car.
...a car with a flat ~.
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3.
A ~ of equipment such as guns, lights, or computers is a large set of it kept together in one place.
They stopped beside a ~ of abandoned guns.
...batteries of spotlights set up on rooftops.
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4.
A ~ of people or things is a very large number of them.
...a ~ of journalists and television cameras...
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5.
A ~ of tests is a set of tests that is used to assess a number of different aspects of something, such as your health.
We give a ~ of tests to each patient.
N-COUNT: usu sing, usu N of n
6.
Battery farming is a system of breeding chickens and hens in which large numbers of them are kept in small cages, and used for their meat and eggs. (BRIT)
...~ hens being raised in dark, cramped conditions.
ADJ: ADJ n
7.
to recharge your batteries: see recharge
see also assault and ~