the regalia or ornaments of state of the sovereigns of The united kingdomt, before whom it is held within coronation and other great solemnities. Caps of upkeep are carried prior to the mayors of a number of urban centers in The united kingdomt. Enc. Loud.
This was done by investing them with a sword, a cap of maintenance or estate, and with a circlet of gold set with precious stones, which was imposed on the head.