The Collaborative International Dictionary of English v.0.48:

Corn \Corn\, v. t. [imp. & p. p. Corned (k?rnd); p. pr. & vb.
   n. Corning.]
   1. To preserve and season with salt in grains; to sprinkle
      with salt; to cure by salting; now, specifically, to salt
      slightly in brine or otherwise; as, to corn beef; to corn
      a tongue.
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   2. To form into small grains; to granulate; as, to corn
      gunpowder.
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   3. To feed with corn or (in Sctland) oats; as, to corn
      horses. --Jamieson.
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   4. To render intoxicated; as, ale strong enough to corn one.
      [Colloq.]
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   Corning house, a house or place where powder is corned or
      granulated.
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