define intercession
Definition of INTERCESSION. 1. : the act of interceding. 2. : prayer, petition, or entreaty in favor of another. â inÂ·terÂ·cesÂ·sionÂ·al \-Ësesh-nÉl, -Ëse-shÉ-nÉl\ adjective. â inÂ·terÂ·cesÂ·sor \-Ëse-sÉr\ noun. â inÂ·terÂ·cesÂ·soÂ·ry \-Ëses-rÄ, -Ëse-sÉ-rÄ\ adjective. See intercession defined for kids. ADVERTISEMENT.