Noah Webster's Dictionary (n.) One who, or that which, polishes; also, that which is used in polishing.

Multi-Version Concordance Polisher (1 Occurrence) Ezekiel 21:11 And I have given it to the polisher so that it may be taken in the hand: he has made the sword sharp, he has had it polished, to put it into the hand of him who gives death. (BBE)