Source : Webster's Revised Unabridged Dictionary (1913)

Dew \Dew\, v. t. [imp. & p. p. {Dewed}; p. pr. & vb. n.
   {Dewing}.]
   To wet with dew or as with dew; to bedew; to moisten; as with
   dew.

         The grasses grew A little ranker since they dewed them
         so.                                      --A. B.
                                                  Saxton.