What is Miter?
Miter definition and meaning on Dictionary terms:
the official headdress of a bishop in the Western Church, in its modern form a tall cap with a top deeply cleft crosswise, the outline of the front and back resembling that of a pointed arch.
the office or rank of a bishop; bishopric.
Judaism. the official headdress of the ancient high priest, bearing on the front a gold plate engraved with the words Holiness to the Lord. Ex. 28:36