n. - One who, or that which, equalizes anything.
n. - = Equalizing bar.
n. - A device, as a bar, for operating two brakes, esp. a pair of hub brakes for an automobile, with equal force.
n. - 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.
n. - A sliding panel to preserve the lateral stability of an aeroplane.