The term "Zoyakumen" (or Zoekiden) means myoden (rice fields named after the local land lords who developed the land in question) which were exempted from zatsueki (levies other than land tax) under the system of shoen (manor) and kokugaryo (territories governed by provincial government) during the medieval period.
雑役免（ぞうやくめん/ぞうえきでん）とは、中世の荘園及び国衙領において雑役納入を免除された名田を指す。