Word Study
geanticlinal
CIDE DICTIONARY
geanticlinal, n. [Gr. the earth + E. anticlinal.].
An upward bend or flexure of a considerable portion of the earth's crust, resulting in the formation of a class of mountain elevations called anticlinoria; -- opposed to geosynclinal. [1913 Webster]
For further exploring for "geanticlinal" in Webster Dictionary Online