Having a joint or seam that is made by beveling each of two parts to be joined, usually at a 45-degree angle, to form a corner, typically in carpentry or masonry.
The picture frame had mitred corners, giving it a neat and professional appearance.
Wearing or provided with a bishop's miter; having the shape of a miter.
The mitred bishops proceeded solemnly down the nave.
mitreverb
To join two pieces of material, such as wood or metal, by cutting them at an angle and fitting them together.
The carpenter decided to mitre the corners of the picture frame for a seamless finish.
To place a mitre on (a cleric); to invest with episcopal office.
The new bishop was mitred during the solemn ceremony.