a plat; a plan; a sketch; a model; a pattern. used also figuratively.-a place laid out after a model.-any flat or horizontal surface; especially, one that is raised above some particular level, as a framework of timber or boards horizontally joined so as to form a roof, or a raised floor, or portion of a floor; a landing; a dais; a stage, for speakers, performers, or workmen; a standing place.-a declaration of the principles upon which a person, a sect, or a party proposes to stand; a declared policy or system; as, the saybrook platform; a political platform.-a light deck, usually placed in a section of the hold or over the floor of the magazine. see orlop.-to place on a platform.-to form a plan of; to model; to lay out.