Definition of Estreat

v. To take out a forfeited recognizance from the recordings of a court, and return it to the court to be prosecuted.

n. (From Lat. extraction.) 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. A true copy or duplicate of some original writing or record, and especially of fines and amercements Imposed by a court, extracted from the record, and certified to a proper officer or officers authorized and required to collect them.

That's the definition of Estreat in Black's Law Dictionary 6th Edition. Courtesy of