cotillage

Noun

 * 1) joint tillage; the act of plowing land jointly with others
 * 2) the land so tilled

Usage notes
This term is particularly applied to historic Welsh practice, where cyfar (cotillage) of some lands was required by law among the taeog (serf) class before they were permitted to cultivate their own private plots.

Translations

 * Old Welsh: kyuar, kaueyr
 * Welsh: cyfar