battery
//ˈbæt.ər.i//
Noun
batterySingular
batteriesPlural
1
A device containing one or more electrochemical cells that converts stored chemical energy into electrical energy.
The battery in my phone is dead.
2
A group or series of similar things arranged, connected, or used together.
The doctor ordered a battery of tests to determine the cause of her illness.
3
The unlawful use of force or violence against another person.
He was charged with assault and battery.
4
A set of artillery guns or missile launchers operated together at one place.
The coastal battery was positioned to defend the harbor from enemy ships.
5
In baseball, the pitcher and catcher considered as a unit.
The team's battery worked well together during the game.