MAINPRISE
Etymology
Noun
mainprise (countable and uncountable, plural mainprises)
(legal, historical) 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.
(legal, historical) Deliverance of a prisoner on security for his appearance at a day.
Verb
mainprise (third-person singular simple present mainprises, present participle mainprising, simple past and past participle mainprised)
(transitive, legal) To allow (a prisoner) to go at large, on his finding sureties, or mainpernors, for his appearance on a given day.
Source: Wiktionary
Main"prise, n. Etym: [F. main hand + prise a taking, fr. prendre, p.
p. pris to take, fr. L. prehendere, prehensum.] (Law)
(a) 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. Wharton.
(b) Deliverance of a prisoner on security for his appearance at a
day.
Main"prise, v. t. [imp. & p. p. Mainprised; p. pr. & vb. n.
Mainprising.] (Law)
Definition: To suffer to go at large, on his finding sureties, or
mainpernors, for his appearance at a day; -- said of a prisoner.
Source: Webster’s Unabridged Dictionary 1913 Edition