1 objects (eg the crown and sceptre/scepter) which are a sign of royalty, used eg at a coronation.
az: reqaliya
ru: регалии
2 any ornaments, ceremonial clothes etc which are worn as a sign of a person’s importance or authority: The mayor was dressed in his full regalia.
az: mərasim geyimi
ru: пышное убранство, богатые одежды