1. wearing or having a coronet; adorned with a coronet
Usage: formal; often used in heraldry or descriptions of nobility
2. of or relating to a person of noble rank below that of a sovereign
Usage: formal; chiefly British

Examples

• The coroneted nobility gathered at the royal ball.
• She wore a coroneted tiara that had belonged to her grandmother.
• The coroneted coat of arms hung above the fireplace.
• He was a coroneted peer of the realm.
• The portrait showed the duchess in her coroneted regalia.