miter
noun
1.
joint that forms a corner; usually both sides are bevelled at a 45-degree angle to form a 90-degree corner
Derived from:
miter Exemplifies:
American spelling 2.
the surface of a beveled end of a piece where a miter joint is made
Derived from:
miter Exemplifies:
American spelling 3.
a liturgical headdress worn by bishops on formal occasions
Exemplifies:
American spelling