\Su`per*add"\, v. t. [imp. & p. p. {Superadded}; p. pr.
& vb. n. {Superadding}.] [L. superaddere. See {Super-}, and
{Add}.]
To add over and above; to add to what has been added; to
annex, as something extrinsic.
      The strength of any living creature, in those external
      motion, is something distinct from, and superadded
      unto, its natural gravity.               --Bp. Wilkins.
      The peacock laid it extremely to heart that he had not
      the nightingale's voice superadded to the beauty of his
      plumes.                                  --L'Estrange.