Source : Webster's Revised Unabridged Dictionary (1913)

Silver \Sil"ver\, v. t. [imp. & p. p. {Silvered}; p. pr. & vb.
   n. {Silvering}.]
   1. To cover with silver; to give a silvery appearance to by
      applying a metal of a silvery color; as, to silver a pin;
      to silver a glass mirror plate with an amalgam of tin and
      mercury.

   2. To polish like silver; to impart a brightness to, like
      that of silver.

            And smiling calmness silvered o'er the deep. --Pope.

   3. To make hoary, or white, like silver.

            His head was silvered o'er with age.  --Gay.