Definition of statute of the staple in US English:

statute of the staple

noun

  • The statute 27 Edw. III (1353), which established staples in various English towns, and at Carmarthen, Dublin, Waterford, Cork, and Drogheda, and contained regulations for their form of government and the conduct of their business. Chiefly with the and capital initials. historical.

Origin

Late Middle English (in an earlier sense). In some forms from statute + of + the + staple.