The Collaborative International Dictionary of English v.0.48:

Deuteroscopy \Deu`ter*os"co*py\, n. [Gr. ? second + -scopy.]
   1. Second sight.
      [1913 Webster]

            I felt by anticipation the horrors of the Highland
            seers, whom their gift of deuteroscopy compels to
            witness things unmeet for mortal eye. --Sir W.
                                                  Scott.
      [1913 Webster]

   2. That which is seen at a second view; a meaning beyond the
      literal sense; the second intention; a hidden
      signification. --Sir T. Browne.
      [1913 Webster]