Sentence:  Should the perfon who is summoned conceal himself, letters are written to those among whom he is hid, signifying that he ought to surrender himself at a given time and place ; and if he has taken an asylum in a fortified castle, the <WSD>citator</WSD> goes either by night or by day, on foot or on horseback, cuts out three slips from a wooden rail, and places in the incision a coin and the writ of citation. 
Meaning of the word marked with <WSD> tags:  One who makes a citation; a citer or citor