1. deprive (a person in holy orders) of ecclesiastical status: "he had left his diocese one step ahead of a move to defrock him"
▪ deprive (someone) of professional status or membership of a prestigious group:"the Supreme Court found him in contempt of the tribunal and defrocked him as an appeals court judge"
Word Originearly 17th century: from French défroquer, from dé- (expressing removal) + froc ‘frock’.