More on Court of Pie-powder from Infoplease:

• Court of Pie-powder - Court of Pie-powder (See Pie Poudre.) Source: Dictionary of Phrase and Fable, E. Cobham Brewer, ...
• Swanimote - Swanimote A court held thrice a year before forest verderers by the steward of the court. So called ...
• Dictionary of Phrase and Fable: C - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "C"