1. (Law) Possession and use of one’s own land
2. Manorial land retained for the private use of a feudal lord
3. The grounds belonging to a mansion or country house
4. An extensive piece of landed property; an estate
5. A district; a territory
6. A realm; a domain
There wasn’t much documented about the reclusive multibillionaire. He was universally acknowledged as one of the oldest Powers in the Elder Races and recognized as the iron-fisted ruler of the New York Wyrkind demesne. He was also a major, if shadowy, power player in the Washington political scene.
Harrison, Thea (2011-05-03). Dragon Bound (A Novel of the Elder Races) (p. 27). Penguin Group. Kindle Edition.
Definition from http://education.yahoo.com/reference/dictionary/entry/demesne