To remove the crown from; thus, to deprive of royal status
1876, John Esten Cooke, A Life of Gen. Robert E. Lee Chapter , He discrowned, in rapid succession, one after another of the United States' most, accomplished and admirable commanders.
1897, Hezekiah Butterworth, True to His Home Chapter , "Never attempt to discrown the king."
1917, Arnold Joseph Toynbee, Turkey= A Past and a Future Chapter , Not, even indirectly, the discrowned Turk, for if he were not banned by his crimes he would still be doomed by his incapacity.