DuckCorp Dico

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1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Slate \Slate\, v. t. [imp. & p. p. Slated; p. pr. & vb. n.
      Slating.]
      1. To cover with slate, or with a substance resembling slate;
         as, to slate a roof; to slate a globe.
         [1913 Webster]
      2. To register (as on a slate and subject to revision), for
         an appointment. [Polit. Cant]
         [1913 Webster]