occupying a position that is an equal distance between several points. Note that in a one-dimensional space this position can be identified with two points, in a two-dimensional space with three points (not on the same straight line), and in a three-dimensional space with four points (not in the same plane)
Describing a map projection that preserves scale. No map can show scale correctly throughout the entire map but some can show true scale between one or two points and every point or along every meridian and these are referred to as equidistant
A place that is equidistant from two other places is the same distance away from each of these places. Horsey is equidistant from Great Yarmouth and Mundesley. at an equal distance from two places equidistant from/between