Definition of: tiara

(tī·âr′ə, tē·är′ə, -ar′ə) noun
1. The pope's triple crown, emblematic of his claim to spiritual and temporal authority; hence, the papal dignity. Compare MITER.
2. The upright head-dress worn by the ancient Persian kings.
3. A coronet or form of headdress denoting princely rank; also, anything in imitation of it worn for personal adornment.
4. A Phrygian cap for men and women, long, conical, and falling over the brow: found in Greco-Roman art as the attribute of Paris, Mithras, and others. [<L <Gk. tiara Persian headdress]
PAPAL TIARA