Webster's Revised Unabridged Dictionary · 1913

Geodesic

Geodesic (jē`o*des"ik) , adjective

[Compare French géodésique.]

1.
(Mathematics) Of or pertaining to geodesy; geodetic.
2.
(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.

Also: Geodesical

Geodesic , noun

A geodetic line or curve.