Robing

from The Collaborative International Dictionary of English v.0.48

Robe \Robe\, v. t. [imp. & p. p. {Robed}; p. pr. & vb. n.
   {Robing}.]
   To invest with a robe or robes; to dress; to array; as,
   fields robed with green.
   [1913 Webster]

         The sage Chaldeans robed in white appeared. --Pope.
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         Such was his power over the expression of his
         countenance, that he could in an instant shake off the
         sternness of winter, and robe it in the brightest
         smiles of spring.                        --Wirt.
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from The Collaborative International Dictionary of English v.0.48

Robing \Rob"ing\, n.
   The act of putting on a robe.
   [1913 Webster]

   {Robing room}, a room where official robes are put on, as by
      judges, etc.
      [1913 Webster]