Source : Webster's Revised Unabridged Dictionary (1913)

Powder \Pow"der\, v. t. [imp. & p. p. {Powdered}; p. pr. & vb.
   n. {Powdering}.] [F. poudrer.]
   1. To reduce to fine particles; to pound, grind, or rub into
      a powder; to comminute; to pulverize; to triturate.

   2. To sprinkle with powder, or as with powder; to be
      sprinkle; as, to powder the hair.

            A circling zone thou seest Powdered with stars.
                                                  --Milton.

   3. To sprinkle with salt; to corn, as meat. [Obs.]

Powdering \Pow"der*ing\,
   a. & n. from {Powder}, v. t.

   {Powdering tub}.
   (a) A tub or vessel in which meat is corned or salted.
   (b) A heated tub in which an infected lecher was placed for
       cure. [Obs.] --Shak.