mitre
noun [ C ] UK (US miter) uk/ˈmaɪ.tər/ us/ˈmaɪ.t̬ɚ/
(HAT)
主教冠
a tall, pointed hat worn by bishops in official ceremonies
(WOOD JOINT)
(also mitre joint)（两条木头的）斜接头，阳角接
a joint made by two pieces of wood that have both been cut at an angle of 45° at the joining ends