demesne

A lord's chief manor place, with that part of the lands belonging thereto which has not been granted out in tenancy; a house, and the land adjoining, kept for the proprietor's own use.

And whanne he sawe that he lete charce her oute of this land and bytoke hit me and alle this land in my demenys And when he saw that, he let chase her out of this land, and betook it me, and all this land in my demesnes.

The Duke of Argyle led the way in silence to the small postern by which they had been admitted into Richmond Park, so long the favourite residence of Queen Caroline. It was opened by the same half-seen janitor, and they found themselves beyond the precincts of the royal demesne.

A region or area; a domain.

Oft of one wide expanse had I been told / That deep-brow'd Homer ruled as his demesne; […]