tiara: Meaning and Definition of

ti•ar•a

1. a jeweled, ornamental coronet worn by women.
2. a head-piece consisting of three coronets on top of which is an orb and a cross, worn by the pope, or carried before him during certain nonliturgical functions.
3. the position, authority, and dignity of the pope.
4. a high headdress, or turban, worn by the ancient Persians and others.