名詞 demesne:

1. extensive landed property (especially in the country) retained by the owner for his own use
   同義詞：estate, land, landed estate, acres
2. territory over which rule or control is exercised
   同義詞：domain, land

de.mesne

n.（名詞）
Law Possession and use of one`s own land.
【法律】 所有（權）：對自己的土地的擁有和使用
Manorial land retained for the private use of a feudal lord.
宅邸：為封建地主私人使用的邸宅土地
The grounds belonging to a mansion or country house.
房產：屬于大別墅或鄉(xiāng)村房屋的土地
An extensive piece of landed property; an estate.
地產：一大片土地資產；地產
A district; a territory.
領域：一個地區(qū)；一片領土
A realm; a domain.
范圍：一個王國；一大片范圍

來源：
Middle English demeine, .demesne
中古英語 demeine, ·demesne
from Anglo-Norman
源自 英法語
from Old French demaine * see domain
源自 古法語 demaine *參見 domain