ˌintə(r)ˈseshən noun
( -s )
Etymology: Middle French or Latin; Middle French, from Latin intercession-, intercessio intervention, act of becoming surety, interposition of a veto, from intercessus (past participle of intercedere to intervene, become surety) + -ion-, -io -ion — more at intercede
1.
a. : the act of interceding : interposition between parties at variance with a view to reconciliation : mediation
b. : prayer, petition, or entreaty in favor of another
2. Roman & civil law : assumption of liability for the debt of another either by substitution or by the addition of a new debtor or surety — compare adpromission , cumulative intercession , expromission , fidejussion