\Mi"ter\, Mitre \Mi"tre\, n. [F. mitre, fr. L. mitra
headband, turban, Gr. ?.]
1. A covering for the head, worn on solemn occasions by
   church dignitaries. It has been made in many forms, the
   present form being a lofty cap with two points or peaks.
   --Fairholt.
2. The surface forming the beveled end or edge of a piece
   where a miter joint is made; also, a joint formed or a
   junction effected by two beveled ends or edges; a miter
   joint.
3. (Numis.) A sort of base money or coin.
{Miter box} (Carp. & Print.), an apparatus for guiding a
   handsaw at the proper angle in making a miter joint; esp.,
   a wooden or metal trough with vertical kerfs in its
   upright sides, for guides.
{Miter dovetail} (Carp.), a kind of dovetail for a miter
   joint in which there is only one joint line visible, and
   that at the angle.
{Miter gauge} (Carp.), a gauge for determining the angle of a
   miter.
{Miter joint}, a joint formed by pieces matched and united
   upon a line bisecting the angle of junction, as by the
   beveled ends of two pieces of molding or brass rule, etc.
   The term is used especially when the pieces form a right
   angle. See {Miter}, 2.
{Miter shell} (Zo["o]l.), any one of numerous species of
   marine univalve shells of the genus {Mitra}.
{Miter square} (Carp.), a bevel with an immovable arm at an
   angle of 45[deg], for striking lines on stuff to be
   mitered; also, a square with an arm adjustable to any
   angle.
{Miter wheels}, a pair of bevel gears, of equal diameter,
   adapted for working together, usually with their axes at
   right angles.

\Mi"ter\, Mitre \Mi"tre\, v. t. [imp. & p. p. {Mitered}or
{Mitred}; p. pr. & vb. n. {Mitering}or {Mitring}.]
1. To place a miter upon; to adorn with a miter. ``Mitered
   locks.'' --Milton.
2. To match together, as two pieces of molding or brass rule
   on a line bisecting the angle of junction; to bevel the
   ends or edges of, for the purpose of matching together at
   an angle.

\Mi"ter\, Mitre \Mi"tre\, v. i.
To meet and match together, as two pieces of molding, on a
line bisecting the angle of junction.