/'bætərɪ; `bætərɪ/
n
1 [C] portable container of a cell or cells for supplying electricity 电池; 电池组; 电瓶
*a `car battery 汽车用的蓄电池
* a `torch battery 手电筒用的电池
* This pocket calculator needs two batteries. 这个袖珍计算器需用两节乾电池. =>illus at App
1 见附录1, page xii.
2 [C]
(a) group of big guns on a warship or on land 军舰上的炮组; 陆地上的炮台.
(b) army unit consisting of big guns, with men and vehicles 炮兵连（由大炮、炮兵及车辆组成）.
3 [C] large and often confusing set of similar tools, instruments, etc used together （同类用具、器物等的）一套, 一组
*a battery of lights 一组灯
* (fig 比喻) She faced a battery of questions. 她面临一连串的问题.
4 [C] series of cages in which hens, etc are kept (to make them lay more eggs or grow fatter) 养鸡房（养鸡等用的成排鸡笼, 可使母鸡多产蛋或育肥）
*[attrib 作定语] a battery hen 养鸡房饲养的母鸡
* battery eggs 养鸡场产的蛋. Cf 参看 free-range (free)1).
5 [U] (law 律) unlawfully hitting sb or touching him or his clothes threateningly 殴打.
6 (idm 习语) recharge one's batteries => recharge.

npluralbatteries

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1【electricity】
2 a battery of something
3【farm】
4【guns】
5【crime】
6 recharge your batteries

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[Date: 1500-1600; Language: Old French;Origin: baterie, from batre 'to hit';]
[Sense: 4; Origin: from the idea of hitting with gunfire;]
[Sense: 1; Origin: from the idea of a group of electricity-producing cells joined together]
【ELECTRICITY】[C]
an object that provides a supply of electricity for something such as a radio, car, or toy
　You have to take the top off to change the batteries .
　When the red light comes on, you should recharge the battery so it is ready for the next time.
　The car's got a flat battery .
a battery-operated hair dryer
a battery of sth
a group of many things of the same type
　a battery of medical tests
【FARM】[C]BrE
a row of small cages in which chickens are kept, so that the farm can produce large numbers of eggs
　battery hens
→free-range
【GUNS】[C]
several large guns used together
　an anti-aircraft battery
【CRIME】[U]
law the crime of hitting someone
　He was charged with assault and battery .
→assault and battery
recharge your batteriesinformal
to rest or relax in order to get back your energy
　A week in the mountains should recharge my batteries.

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COLLOCATES for sense 1
change the batteries (in something) (=put new batteries in something)
charge/recharge a battery (=fill it with electricity again after it has been used)
flat batteryBritish English
dead batteryAmerican English (=one that has no more electricity in it)
rechargeable battery (=one that can be recharged and used again)
car battery
battery powered/operated
battery compartment (=the place where the batteries go)
battery charger (=a piece of equipment for charging batteries)

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