n. One who or that which sets right, or renders conformable to a certain standard, usage, or rule, or to an original or a model; one who corrects errors.n. One who or that which counteracts or removes whatever is injurious, obnoxious, or defective: as, a corrector of abuses; a corrector of acidity, etc.n. One who amends or corrects, or seeks to amend or correct, the character or conduct of another, by criticism, reproof, or chastisement.