n. A form of head-dress anciently worn by the inhabitants of Lydia, Phrygia, and other parts of Asia Minor.n. A sacerdotal head-dress, as that worn by the ancient Jewish high priest, or that worn by a bishop.n. A chimney-cap or -pot of terra-cotta, brick, stone, or metal, designed to exclude rain and wind from the flue, while allowing the smoke, etc., to escape; a cowl; hence, anything having a similar use.n. In conchology, a miter-shell.n. In carp.: A scribe or guide for making saw-cuts to form miter-joints.n. A combined square and miter-edge or pattern.n. Same as miter-joint.n. A gusset in seamstresses' work, knitting, and the like.To bestow a miter upon; raise to a rank to which the dignity of wearing a miter belongs, especially to episcopal rank.To ornament with a miter.In carpentry, to join with a miter-joint; make a miter-joint in. See miter-joint.In needlework, to change the direction of, as a straight band, border, or the like, by cutting it at an abrupt angle, sacrificing a three-cornered piece, and bringing the cut edges together: a term derived from carpenter-work.In bookbinding, to join perfectly, as lines intended to meet at right anglesIn architecture, to meet in a miter-joint.In organ-building, to introduce one or more miter-joints into (a pipe), so as to adapt it to a contracted space: such a pipe is said to be mitered or mitered over.