This term is used to signify a true copy or note of some original writing or record, and specially of flues and amercements imposed by a court, and extracted from the record, and certified to a proper officer or officers authorized and required to collect them.
Law Dictionary – Alternative Legal Definition
(verb) – To take out a forfeited recognizance from the records of a court, and return it to the court of exchequer, to be prosecuted.
(noun) – (From Lat. extractum.) In English law. A copy or extract from the book of estreats, that is, the rolls of any court, in which the amercements or fines, recognizances, etc., imposed or taken by that court upon or from the accused, are set down, and which are to be levied by the bailiff or other officer of the court. Cowell; Brown. A forfeited recognizance taken out from among the other records for the purpose of being sent up to the exchequer, that the parties might be sued thereon, was said to be estreated.