1. plural form of mediatrix; women who act as intermediaries or go-betweens in disputes or negotiations
Usage: formal; rare
2. plural form of mediatrix; in geometry, lines that connect a vertex of a triangle to the midpoint of the opposite side
Usage: mathematics; technical

Examples

• The mediatrixes worked tirelessly to resolve the labor dispute.
• Both women served as mediatrixes between the feuding families.
• The geometry teacher explained how to construct the three mediatrixes of a triangle.
• In any triangle, the three mediatrixes intersect at a single point called the centroid.
• The mediatrixes helped facilitate communication between the opposing parties.