1.NounA person who intercedes; a mediator; one who reconciles enemies, or pleads for another.
Especially: a heavenly saint who intercedes (with God) on behalf of a mere mortal.
"St Mary the Intercessor; St Mary as intercessor"
2.NounEspecially: a heavenly saint who intercedes (with God) on behalf of a mere mortal.
"St Mary the Intercessor; St Mary as intercessor"
3.NounA middleman, intermediary
4.NounA bishop who acts during a vacancy in a see.