In practice. The warrant or mittimus by which a court or magistrate directs an officer to take a person to prison. The act of sending a persou to prison by means of such a warrant or order. People v. Rutan, 3 Mich. 49; Guthmann T. People, 203 111. 2G0. 67 N. E. S21; Allen v. Hagan, 170 N. Y. 40, 02 N. E. 1080.