1. crowns or ornamental headbands worn as symbols of sovereignty or high rank

Examples

• The ancient kings wore golden diadems during ceremonial occasions.
• The museum displayed several jeweled diadems from different dynasties.
• Roman emperors often appeared on coins wearing their imperial diadems.
• The queen’s collection included diadems passed down through generations.
• Archaeological excavations uncovered ornate diadems in the royal tombs.
• The actress wore a sparkling diadem that resembled those of ancient royalty.