Definitions for "Central meridian"
Keywords:  meridian, longitude, map, truly, center
The Central Meridian is the meridian that passes through the center of a projection. Distortion is minimized along the central meridian, thus, it is important to select a central meridian that runs through the center of the area of interest on a map.
Meridian passing through the center of a projection, often a straight line about which the projection is symmetrical
The north-south meridian of the Sun that passes through the centre of the disc as viewed from the Earth.
The imaginary line through the poles of a planet that bisects the planetary disc.