You searched for: “geodetic lines”
geodesic line, geodetic line (s) (noun); geodesic lines; geodetic lines (pl)
The line of shortest distance between any two points on a mathematically defined surface: Specifically, a geodesic line is a line on the surface of the Earth, a line of double curvature which usually lies between the two normal section lines determined by the two points.
This entry is located in the following unit: geo-, ge- + (page 7)