'Equalizer' definitions:

Definition of 'equalizer'

(from WordNet)
noun
Electronic equipment that reduces frequency distortion [syn: equalizer, equaliser]
noun
A weight that balances another weight [syn: counterweight, counterbalance, counterpoise, balance, equalizer, equaliser]
noun
A score that makes the match even

Definition of 'Equalizer'

From: GCIDE
  • Equalizer \E"qual*i`zer\, n.
  • 1. One who, or that which, equalizes anything. [1913 Webster]
  • 2. same as Equalizing bar. [Webster 1913 Suppl.]
  • 3. A device, as a bar, for operating two brakes, esp. a pair of hub brakes for an automobile, with equal force. [Webster 1913 Suppl.]
  • 4. (Elec.) 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.]
  • 5. (A["e]ronautics) A sliding panel to preserve the lateral stability of an a["e]roplane. [Webster 1913 Suppl.]
  • 6. (Electronics) 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]
  • 7. a gun. [slang] [PJC]

Synonyms of 'equalizer'

From: Moby Thesaurus