Black's Law Dictionary (2nd edition)dictionaries

De Manucaptione

writ of man-ucaption, or mainprise. A writ which lay for one who, being taken and Imprisoned on a charge of felony, had offered bail, which had been refused *, requiring tbe sheriff to discharge him on hls finding sufficient mainpernors or bail. Reg. orlg. 268b; Fltzh. Nat Brev. 249, G

Source: Black’s Law Dictionary 2nd Ed (1910)