The Collaborative International Dictionary of English v.0.48:

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.
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   2. To sprinkle with powder, or as with powder; to be
      sprinkle; as, to powder the hair.
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            A circling zone thou seest
            Powdered with stars.                  --Milton.
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   3. To sprinkle with salt; to corn, as meat. [Obs.]
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The Collaborative International Dictionary of English v.0.48:

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