Source : Webster's Revised Unabridged Dictionary (1913)

Intercede \In`ter*cede"\, v. t.
   To be, to come, or to pass, between; to separate. [Obs.]
   --Sir I. Newton.

Intercede \In`ter*cede"\, v. i. [imp. & p. p. {Interceded}; p.
   pr. & vb. n. {Interceding}.] [L. intercedere, intercessum;
   inter between + cedere to pass: cf. F. interc['e]der. See
   {Cede}.]
   1. To pass between; to intervene. [Obs.]

            He supposed that a vast period interceded between
            that origination and the age wherein he lived. --Sir
                                                  M. Hale.

   2. To act between parties with a view to reconcile
      differences; to make intercession; to beg or plead in
      behalf of another; to mediate; -- usually followed by with
      and for; as, I will intercede with him for you.

            I to the lords will intercede, not doubting Their
            favorable ear.                        --Milton.

   Syn: To mediate; arbitrate. See {Interpose}.

Source : WordNet®

intercede
     v : act between parties with a view to reconciling differences;
         "He interceded in the family dispute"; "He mediated a
         settlement" [syn: {mediate}, {intermediate}, {liaise}, {arbitrate}]