(We have given power.) In English practice. A writ or commission issuing out of chancery, empowering the persons named therein to perform certain acts, as to administer oaths to defendants in chancery and take their answers, to administer oaths of office to justices of the peace, etc. 3 Bl. Comm. 447. It was anciently allowed for many purposes not now in use, as to make an attorney, to take the acknowledgment of a fine, ete.