What is another name for the 180 degree median?

In geometry, a median is a straight line joining a vertex of a triangle to the midpoint on the opposite side. Being a straight line there are no angles on it so no 180 deg. In statistics, the median in the value of the middle-ranking observation. So, if there is a set of observations of angles, it is possible that the median is 180 degrees but there is no special name.