1. present participle of diadem; the act of adorning or crowning with a diadem (a jeweled crown or headband)
Usage: literary or formal; rare in modern usage

Examples

• The ceremony involved diademing the new queen with an ornate crown.
• The artist depicted the goddess diademing herself with stars.
• Diademing the bride with jewels was part of the ancient ritual.
• The portrait showed the monarch diademing her successor.