mediatrix

Etymology
From, feminine of.

Noun

 * 1) A female mediator.
 * 2)  The line that is perpendicular to a line segment and intersects the line segment at its midpoint.
 * 1)  The line that is perpendicular to a line segment and intersects the line segment at its midpoint.
 * 1)  The line that is perpendicular to a line segment and intersects the line segment at its midpoint.
 * 1)  The line that is perpendicular to a line segment and intersects the line segment at its midpoint.

Etymology
Post-classical 🇨🇬.

Noun

 * 1)  mediator, intermediary, go-between (female)