Definition of Fieri facias de bonis ecclesiasticis
When a sheriff to a common fi. fa. returns nulla bona, and that the defendant is a beneficed clerk, not having any lay fee, a plaintiff may issue a fi. fa. de bonis ecclesiasticis, addressed to the bishop of the diocese or to the archbishop (during the vacancy of the bishop’s see), commanding him to make of the ecclesiastical goods and chattels belonging to the defendant within his diocese the sum therein mentioned.
That's the definition of Fieri facias de bonis ecclesiasticis in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.