The emblems or insignia of royalty, especially the crown, scepter, and other ornaments used at a coronation. The king's regalia were displayed in the museum for all to see.
Special or distinctive ceremonial dress, insignia, or decorations worn or carried to denote office, membership, or achievement. The knights marched in full regalia, their velvet cloaks adorned with silver crosses.
The rights and prerogatives of a sovereign power, such as coining money or administering justice. Historically, issuing currency was part of the regalia exercised by the crown.