Geol. a great upward folding of the earth's crust, larger and more complex than an anticline, commonly measured in tens or hundreds of miles
Origin of geanticlineClassical Greek g?, earth + anticline
A large upward fold of the earth's crust.
- (geology, geography) A large-scale anticline; a large upward lift in the earth's surface.
From Ancient Greek γῆ (gē, “earth”) + anticline.