n. A tool for planing wood; a plane; also, a plan-ing-machine.n. A utensil for smoothing or leveling salt in salt-cellars.n. In printing, a block of wood, about 9 inches long, 3½ wide, and 3 high, on the top of which is a strip of leather, by means of which the projecting types of a form are beaten down to a level by blows of a mallet.n. A power-tool of the largest class for planing massive pieces of metal which can be surfaced or machined by a cutting-tool working in a straight line.n. In geology, a series of limestones, marls, shales, sandstones, and conglomerates representing the littoral facies of both the lower members (Cenomanian and Turonian) of the Cretaceous system in northeastern Germany. Many of the component beds are highly fossiliferous and contain chiefly ammonites, echinoderms, pelecypods, and brachiopods.