COMMISSION OF @REB @ELLION, chan. prac. The name of a writ issuing out of chancery, generally directed to four special commissioners, named by the plaintiff, commanding them to attach the defendant wheresoever he may be found within the state, as a rebel and contemner of the law, so as to have him in chancery on a certain day therein named. This writ may be issued after an attachment with proclamation, and a return of non est inventus. Blake's Ch. Pr. 102; Newl. Ch. Pr. 14.