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
Derived from:
miter mitral
Exemplifies:
American spelling