rare. [f. THRONE sb. + -DOM.] The dominion of a throne; the position implied by a throne.
1820. J. H. Wiffen, Aonian Hours (ed. 2), 48. Of this frame Empires and thronedoms have been, and are made.
1843. Sheffield & Rotherham Independent, 24 June, 2/1. A soul which should overtop principalities, and powers, and thronedoms.
1859. Sala, Tw. round Clock (1861), 165. The late Grand Duke of Tuscany has been signally kicked off thronedom.