Source : Webster's Revised Unabridged Dictionary (1913)

Scale \Scale\ (sk[=a]l), n. [AS. sc[=a]le; perhaps influenced by
   the kindred Icel. sk[=a]l balance, dish, akin also to D.
   schaal a scale, bowl, shell, G. schale, OHG. sc[=a]la, Dan.
   skaal drinking cup, bowl, dish, and perh. to E. scale of a
   fish. Cf. {Scale} of a fish, {Skull} the brain case.]
   1. The dish of a balance; hence, the balance itself; an
      instrument or machine for weighing; as, to turn the scale;
      -- chiefly used in the plural when applied to the whole
      instrument or apparatus for weighing. Also used
      figuratively.

            Long time in even scale The battle hung. --Milton.

            The scales are turned; her kindness weighs no more
            Now than my vows.                     --Waller.

   2. pl. (Astron.) The sign or constellation Libra.

   {Platform scale}. See under {Platform}.

Platform \Plat"form`\, n. [Plat, a. + -form: cf. F. plateforme.]
   1. A plat; a plan; a sketch; a model; a pattern. Used also
      figuratively. [Obs.] --Bacon.

   2. A place laid out after a model. [Obs.]

            lf the platform just reflects the order. --Pope.

   3. 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.

   4. 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.
      ``The platform of Geneva.'' --Hooker.

   5. (Naut.) A light deck, usually placed in a section of the
      hold or over the floor of the magazine. See {Orlop}.

   {Platform car}, a railway car without permanent raised sides
      or covering; a f?at.

   {Platform scale}, a weighing machine, with a flat platform on
      which objects are weighed.