1.NounChiefly in court of piepowders, etc. (sense 2): a traveller, particularly one on foot; a wayfarer; specifically, a travelling merchant.
2.NounIn full court of piepowders (also court of piepowder) or piepowder court: an ancient court in England held in conjunction with a fair or a market to administer summary justice over occurrences therein such as disputes between merchants and acts of theft and violence; they were presided over by the mayor and bailiffs of the borough, or by the steward if the fair or market was held by a lord.