MA'INPRIZE, n.1. In law, a writ directed to the sheriff, commanding him to take sureties for the prisoner's appearance, and to let him go at large. These sureties are called mainpernors.2. Deliverance of a prisoner on security for his appearance at a day.
MA'INPRIZE, v.t. To suffer a prisoner to go at large, on his finding sureties, mainpernors, for his appearance at a day.