- a person who equalizes
- a thing that equalizes, as a group of components inserted in a circuit so as to change the frequency response; specif., an electronic device that amplifies or reduces particular ranges of audio frequencies
- Slang a gun
- One that equalizes, as:a. A device for equalizing pressure or strain.b. A tone control system designed to compensate for frequency distortion in audio systems.
- Slang A deadly weapon, such as a firearm or switchblade.