One who, or that which, compensates; -- a name applied to various mechanical devices.
- A party or thing which compensates, pays or otherwise provides a compensation
- Any device used to compensate for something, notably to achieve a better balance
- A building control device used to deliver the compensation relationship or curve between the air temperature outside a building and the temperature of water or air provided to spaces or zones within the building for purposes of heating or cooling.
- One of several small magnets placed in the binnacle to neutralize the effect of the ship's metal on the compass