1. Delivery of a prisoner to the mainpernor.
2. A suretyship undertaking that makes the surety responsible for a prisoner’s appearance in court on a specified date and time.
3. A writ ordering the sheriff to release a prisoner after taking security for the prisoner’s appearance. — Also spelled mainprize.
— Also termed writ of mainprise; manucaption (man-yoo-kap-sh[schwa]n). See DE HOMINE REPLEGIANDO.
mainprise, vb. Hist. To release (a prisoner) on the surety of a mainpernor.