[mi.ter] or mi.tre n [ME mitre, fr. MF, fr. L mitra headband, turban, fr. Gk] (14c) 1: a liturgical headdress worn by bishops and abbots
2. a: a surface forming the beveled end or edge of a piece where a joint is made by cutting two pieces at an angle and fitting them together b: miter joint
[2]miter or mitre vt mi.tered or mi.tred ; mi.ter.ing or mi.tring (14c) 1: to confer a miter on
2. a: to match or fit together in a miter joint b: to bevel the ends of for making a miter joint -- mi.ter.er n