Definitions

1. noun

A woman’s headdress, typically a crown-like structure of gems, pearls, or other ornaments, worn on the head for ceremonial or formal occasions.

“The queen wore a sparkling tiara to the royal ball.”

2. noun

A circular or oval-shaped decoration or ornament, especially one worn on the head or attached to a hat or hairpiece.

“The tiara on her wedding veil added a touch of elegance to her overall look.”