n. The operation of laying down planks or of covering with planks.n. Planks considered collectively, as in a floor; a piece of work made up of planks; specifically, in ship-building, the skin or covering of wooden timbers on the outer and inner surfaces of the ribs, and upon the beams. A strake is a line of planking. Wales are strakes of thick planking. See cut under beam.n. In spinning, the splicing together of slivers of long-stapled wool. See breaking-frame.n. One of the finishing operations in felting hats.n. In a steam-cylinder, the lagging or clothing.