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 (Zoöl.), 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°, 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.