Pronunciation: (in"tur-sēd'),[key] —v.i.,-ced•ed, -ced•ing. 1. to act or interpose in behalf of someone in difficulty or trouble, as by pleading or petition: to intercede with the governor for a condemned man. 2. to attempt to reconcile differences between two people or groups; mediate.
3. Rom. Hist.(of a tribune or other magistrate) to interpose a veto.