What is Sequestrari Facias?

Legal Definition
In English ecclesiastical practice. A process in the nature of a levari facias, commanding the bishop to enter into the rectory and parish church, and to take and sequester the same, and hold them until, of the rente, tithes, and profits thereof, and of the other ecclesiastical goods of a defendant, he have levied the plaintiff's debt. 3 Bl. Comm. 418; 2 Archb. Pr. 1284.
-- Black's Law Dictionary
Legal Definition
A writ of execution against a beneficed rector, whereby the bishop was ordered to withhold the profits and income of the benefice for the plaintiff. Sequestration. An equity writ or process against the defendant’s property issued to enforce his obedience to an order of the court. See 147 Mass. 81, 9 Am. St. Rep. 666, 17 N. E. 75. An attachment of property in an equity suit. See 13 Fed. (U. S.) 567. Sequestrator. The bailee in a sequestration.
-- Ballentine's Law Dictionary