The Collaborative International Dictionary of English v.0.48:

Orb \Orb\ ([^o]rb), v. t. [imp. & p. p. Orbed ([^o]rbd); p.
   pr. & vb. n. Orbing.]
   1. To form into an orb or circle. [Poetic] --Milton.
      --Lowell.
      [1913 Webster]

   2. To encircle; to surround; to inclose. [Poetic]
      [1913 Webster]

            The wheels were orbed with gold.      --Addison.
      [1913 Webster]