The Collaborative International Dictionary
Geodesical
Geodesic \Ge`o*des"ic\ (j[=e]`[-o]*d[e^]s"[i^]k), Geodesical \Ge`o*des"ic*al\ (-[i^]*kal), a. [Cf. F. g['e]od['e]sique.]
(Math.) Of or pertaining to geodesy; geodetic.
(Architecture) Made of lightweight structural supporting elements connected in a manner to provide great rigidity; -- of structures; as, The geodesic dome was invented by R. Buckminster Fuller.
Wiktionary
geodesical
a. (alternative form of geodesic English)