Synclinal

• POS: Adjective
• HYPHEN: syn=cli=nal

CIDE DICTIONARY

Synclinal, a. [Gr. to incline together; sy`n with + to incline.].

•  Inclined downward from opposite directions, so as to meet in a common point or line.  [1913 Webster]
•  Formed by strata dipping toward a common line or plane; as, a synclinal trough or valley; a synclinal fold; -- opposed to anticlinal.  [1913 Webster]

  " A downward flexure in the case of folded rocks makes a synclinal axis, and the alternating upward flexure an anticlinal axis."  [1913 Webster]

Synclinal, n. 

 A synclinal fold.  [1913 Webster]