However, Your Highness, we would not think of crossing your soil without your permission, nor of removing the Grail from your borders without suitable compensation.
n. 1. One who, or that which, compensates; -- a name applied to various mechanical devices. [ 1913 Webster ]
2. (Naut.) An iron plate or magnet placed near the compass on iron vessels to neutralize the effect of the ship's attraction on the needle. [ 1913 Webster ]