(baseball) The player attempting to hit the ball with a bat. / (cricket) A player of the batting side now on the field. / (cricket) The player now receiving strike; the striker.

(countable, electronics) A device used to power electric devices, consisting of a set of electrically connected electrochemical or, archaically, electrostatic cells. A single such cell when used by itself.

(nautical) To close or make watertight, referring to hatches and cargo. / (transitive) To secure. / (intransitive) To prepare for adversity.

(idiomatic) To prepare for trouble.

(historical) A heavy object used for battering down walls and gates before gunpowder was known.

An electric battery employing a zinc-carbon dry cell.

(physics) any device that converts the energy of particles emitted from atomic nuclei into electrical energy

(physics) Any device that converts the energy of particles emitted from atomic nuclei into electrical energy.

(automotive) A 12-volt battery used run the electric starter motor to start the internal combustion engine of an automobile, and power accessories when the engine is off and alternator is not turning.

Any of a group of electrical batteries that have a lithium anode; used in many portable electronic devices.