1. a woman who acts as an intermediary or mediator between parties
Usage: formal; rare
2. in Christian theology, a female figure who intercedes between God and humanity
Usage: religious; theological

Examples

• The diplomat served as mediatrix in the peace negotiations.
• She acted as mediatrix between the feuding families.
• In Catholic tradition, Mary is often called the mediatrix of all graces.
• The queen functioned as mediatrix between the warring nobles.
• Religious scholars debated the role of Mary as mediatrix.