Noun: Demesne (dih-MEYN)
1. Possession of land as one’s own.
2. An estate or part of an estate occupied and controlled by, and worked for the exclusive use of, the owner.
3. Land belonging to and adjoining a manor house; estate.
4. The dominion or territory of a sovereign or state; domain.
5. A district; region.
Sample sentence: The biggest part of John’s demesne is cultivatable, but a small portion is very hilly and rocky.