Definify.com
Webster 1913 Edition
Geodetical
{
Geˊo-det′ic
,Geˊo-det′ic-al
, }Adj.
Of or pertaining to geodesy; obtained or determined by the operations of geodesy; engaged in geodesy; geodesic;
as,
geodetic
surveying; geodetic
observers.Geodetic line
or Geodetic curve
the shortest line that can be drawn between two points on the elipsoidal surface of the earth; a curve drawn on any given surface so that the osculating plane of the curve at every point shall contain the normal to the surface; the minimum line that can be drawn on any surface between any two points.