An officer in the houses of princes and dignitaries, in the Middle Ages, who had the superintendence of feasts and domestic ceremonies; a steward. Sometimes the seneschal had the dispensing of justice, and was given high military commands.
I first of all constitute Dioneo's man, Parmeno, my seneschal, and entrust him with the care and control of all our household, and all that belongs to the service of the hall.
Giovanni Boccaccio. The Decameron, Volume I
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put some dirt and grease around the sawed place so the very keenest seneskal can't see no sign of it's being sawed,