Syn*cli"nal (?), a. [Gr. to incline together; with + to incline.]
1.
Inclined downward from opposite directions, so as to meet in a common point or line.
2. Geol.
Formed by strata dipping toward a common line or plane; as, a synclinal trough or valley; a synclinal fold; -- opposed to anticlinal.
⇒ A downward flexure in the case of folded rocks makes a synclinal axis, and the alternating upward flexure an anticlinal axis.
© Webster 1913.
Syn*cli"nal, n. Geol.
A synclinal fold.
© Webster 1913.