n. The act of measuring, as land, with a line; a fixing of boundaries; specifically, permission granted by a dean of gild to erect or alter a building according to specified conditions.n. The covering of the inner surface of anything, as of a garment, a box, a wall, or the like.n. Specifically— In milit. engin., a wooden sheeting to support the top and sides of the galleries and the sides of the shafts of a mine.n. In carpentry, the inside boarding, or the felt fabric, paper, or other material, put on the inside of walls, floors, partitions, etc.n. In metal-working, the fire-brick or other refractory material placed within a blast-furnace or converter to resist high temperatures.n. The puddling or tenacious clay put on the back of a dam or the embankment of a canal to prevent the infiltration of water.n. A piece of canvas sewed on any part of a sail to preserve it against injury by chafing.n. In a figurative use, contents.n. The jacket of a steam-boiler or -cylinder: an inverted use.n. In marble-working, the process of cementing back to back with plaster of Paris two pieces of marble, so that they can be ground on two or on all four faces, as if they were one piece.