• (n.) A mountain range owing its origin to the progress of a geosynclinal, and ending in a catastrophe of displacement and upturning.
(from the article `fold`) An anticline is a fold that is convex upward, and a syncline is a fold that is concave upward (Figure 2). An anticlinorium is a large anticline on ...
Syn`cli·no'ri·um noun ; plural Synclinoria . [ New Latin , from Greek ... to lay together + ... mountain.] (Geol.) A mountain range owing its origin to the progress of a geosynclinal, and ending in a catastrophe of displacement and upturning. Dana. 
a regional structure of general synclinal form that includes a series of smaller folds. Cf.