Domain

The complete and absolute ownership of land. Also the real estate so owned. The inherent sovereign power claimed by the legislature of a state, of controlling private property for public uses, is termed the right of eminent domain.

National domain is sometimes applied to the aggregate of the property owned directly by a nation. Public domain embraces all lands, the title to which is in the United States, including land occupied for the purposes of federal buildings, arsenals, dock-yards, and so on, and land of an agricultural or mineral character not yet granted to private owners.

Sphere of influence. Range of control or rule; realm.

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DOMAIN. It signifies sometimes, dominion, territory governed - sometimes, possession, estate - and sometimes, land about the mansion house of a lord. By domain is also understood the right to dispose at our pleasure of what belongs to us.
     2. A distinction, has been made between property and domain. The former is said to be that quality which is conceived to be in the thing itself, considered as belonging to such or such person, exclusively of all others. By the latter is understood that right which the owner has of disposing of the thing. Hence domain and property are said to be correlative terms; the one is the active right to dispose, the other a passive quality which follows the thing, and places it at the disposition of the owner. 3 Toull. n. 8 3. But this distinction is too subtle for practical use. Puff. Droit de la Nature et des Gens, loi 4, c. 4, Sec. 2. Vide 1 B1. Com. 105, 106; 1 Bouv. Inst. n. 456; Clef des Lois Rom. h.t.; Domat, h.t.; 1 Hill. Ab. 24; 2 Hill. Ab. 237; and Demesne as Of fee; Property; Things.