noun realm
In real estate, demesne refers to the land attached to a manor or estate, typically reserved for the owner's personal use or for the support of the estate.
In legal contexts, demesne may refer to land held in one's own right and not subject to any superior's control.
In agriculture, demesne land refers to the land directly controlled by a lord or noble for farming or other purposes.
In medieval history, demesne was the portion of a manor or estate that was retained by the lord for his own use, as opposed to being granted out to tenants.
In literature, the term 'demesne' is often used to refer to a character's estate or property.
In psychology, 'demesne' may be used in the context of personal space or boundaries.