Liddell-Scott-Jones

τιάρα (tiara) a tiara ^G:N-F

τιάρα [ᾱρ], ἡ,

and τῐάρας, ου, Ionic dialect τῐήρης, εω, ὁ (as in [Refs 5th c.BC+]:— tiara, the Persian head-dress, especially on solemn occasions, [Refs 5th c.BC+]; worn by the great king, [Refs 4th c.BC+]; whose tiara was upright, [Refs 5th c.BC+]