–noun, plural -ter⋅ies.

1.	Electricity. a. Also called galvanic battery, voltaic battery. a combination of two or more cells electrically connected to work together to prod 9ad uce electric energy. b. cell (def. 7a).

2.	any large group or series of related things: a battery of questions.

3.	Military. a. two or more pieces of artillery used for combined action. b. a tactical unit of artillery, usually consisting of six guns together with the artillerymen, equipment, etc., required to operate them. c. a parapet or fortification equipped with artillery.

4.	a group or series of similar articles, machines, parts, etc.

5.	Baseball. the pitcher and catcher considered as a unit.

6.	Navy. a. (on a warship) a group of guns having the same caliber or used for the same purpose. b. the whole armament of a warship.

7.	Psychology. a series of tests yielding a single total score, used for measuring aptitude, intelligence, personality, etc.

8.	the act of beating or battering.

9.	Law. an unlawful attack upon another person by beating or w 1056 ounding, or by touching in an offensive manner.

10.	an instrument used in battering.

11.	Also, batterie. Music. the instruments comprising the percussion section of an orchestra.

12.	any imposing group of persons or things acting or directed in unison: a battery of experts.