miter

noun

• 1a tall headdress worn by bishops and senior abbots as a symbol of office, tapering to a point at front and back with a deep cleft between.
• historical a headdress worn by a Jewish high priest.
• historical a headband worn by women in ancient Greece.

• 2 (also miter joint) a joint made between two pieces of wood or other material at an angle of 90°, such that the line of junction bisects this angle.
• a diagonal seam of two pieces of fabric that meet at a corner joining.

• 3 (also miter shell) a mollusk of warm seas that has a sharply pointed shell with a narrow aperture, supposedly resembling a bishop’s miter.

  • Family Mitridae, class Gastropoda: Mitra and other genera

verb

• join by means of a miter.