1. (n.) One who, or that which, compensates; -- a name applied to various mechanical devices.

2. (n.) An iron plate or magnet placed near the compass on iron vessels to neutralize the effect of the ship's attraction on the needle.

accountant auditor bookkeeper cashier cashkeeper chamberlain compensator comptroller controller curator defrayer depositary depository financial officer liquidator payer paymaster purse bearer purser ratepayer receiver recompenser remunerator steward taxpayer treasurer trustee