-zə(r) noun
( -s )
1. : one that equalizes especially by equal distribution (as of force): as
a. or equalizing bar
(1) : a bar to which the whippletrees of a vehicle are attached to equalize the pull of the draft animals
(2) : a beam connecting two axle springs of a railway locomotive or car to distribute the weight equally on both axles
b.
(1) : a device for equalizing the pull of electromagnets
(2) : a conductor of low resistance joining points of equal potential in the armature winding of a dynamoelectric machine
c. : a device for equalizing an electronic signal
d. or equalizer brake : a device for distributing braking force between independent brakes of a motor vehicle
e.
(1) : a machine for sawing wooden stock to uniform lengths
(2) : an operator of an equalizer
2. railroading : a straight-arm crank used in interlocking
3. slang : pistol
4. : a tying score in a sports contest
he scored the equalizer with two out in the sixth