In sports such as football, an equalizer is a goal or a point that makes the scores of the two teams equal.
[British]
equalizer in British English
or equaliser (ˈiːkwəˌlaɪzə)
noun
1.
a person or thing that equalizes, esp a device to counterbalance opposing forces
2.
an electronic network introduced into a transmission circuit to alter its response, esp to reduce distortion by equalizing its response over a specified frequency range
3. sport
a goal, point, etc, that levels the score
4. US slang
a weapon, esp a gun
equalizer in American English
(ˈikwəlˌaɪzər)
noun
1.
a person who equalizes
2.
a thing that equalizes, as a group of components inserted in a circuit so as to change the frequency response; specif., an electronic devicethat amplifies or reduces particular ranges of audio frequencies