- A writ directed to the sheriff, commanding him to take
sureties, called mainpernors, for the prisoner's appearance, and to let
him go at large. This writ is now obsolete. - Deliverance of a prisoner on security for his appearance
at a day.
2 . Mainprise
[ v. t.]
- To suffer to go at large, on his finding sureties, or
mainpernors, for his appearance at a day; -- said of a prisoner.