Equalizer

Webster's Dictionary of the English Language

·add. ·noun = Equalizing bar.

II. Equalizer ·noun One who, or that which, equalizes anything.

III. Equalizer ·add. ·noun A sliding panel to preserve the lateral stability of an Aeroplane.

IV. Equalizer ·add. ·noun A device, as a bar, for operating two brakes, ·esp. a pair of hub brakes for an automobile, with equal force.

V. Equalizer ·add. ·noun Any device for equalizing the pull of electromagnets; also, a conductor of low resistance joining the armature ends of the series field coils of dynamos connected in parallel.