A device, as a bar, for operating two brakes, esp. a pair of hub brakes for an automobile, with equal force. [Webster 1913 Suppl.]
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. [Webster 1913 Suppl.]
A sliding panel to preserve the lateral stability of an aëroplane. [Webster 1913 Suppl.]
a device or circuit within a sound-reproducing system that reproduces the original frequency distribution of the sound before recording by compensating for inequialities in the frequency response of the system. [PJC]
1 an equalizing score or goal etc. in a game.
2 sl. a weapon, esp. a gun.
3 Electr. a connection in a system which compensates for any undesirable frequency or phase response with the system.