What does "seneschal" mean?

Seneschal: 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. Then marshaled feast Served up in hall with sewers and seneschale. Milton. Philip Augustus, by a famous ordinance in 1190, first established royal courts of justice, held by the officers called baitiffs, or seneschals, who acted as the king's lieutenants in his demains. Hallam.